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31441113343232 = 287328114894021
BaseRepresentation
bin1110010011000011101000…
…11001000110010100000000
311010022202000020200210020222
413021201310121012110000
513110112400003440412
6150511503103322212
76423355045605545
oct711416431062400
9133282006623228
1031441113343232
11a0221128a565a
1236395b92b0368
131470b6596b848
147a9a87d76bcc
15397cc7540072
hex1c9874646500

31441113343232 has 144 divisors (see below), whose sum is σ = 63904297183440. Its totient is φ = 15435812044800.

The previous prime is 31441113343217. The next prime is 31441113343259. The reversal of 31441113343232 is 23234331114413.

It can be written as a sum of positive squares in 8 ways, for example, as 2713057002496 + 28728056340736 = 1647136^2 + 5359856^2 .

It is a super-2 number, since 2×314411133432322 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31441113343192 and 31441113343201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7819225382 + ... + 7819229402.

Almost surely, 231441113343232 is an apocalyptic number.

31441113343232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31441113343232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31952148591720).

31441113343232 is an abundant number, since it is smaller than the sum of its proper divisors (32463183840208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31441113343232 is a wasteful number, since it uses less digits than its factorization.

31441113343232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880 (or 5866 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

Adding to 31441113343232 its reverse (23234331114413), we get a palindrome (54675444457645).

The spelling of 31441113343232 in words is "thirty-one trillion, four hundred forty-one billion, one hundred thirteen million, three hundred forty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 73 128 146 256 281 292 562 584 1124 1168 1489 2248 2336 2978 4021 4496 4672 5956 8042 8992 9344 11912 16084 17984 18688 20513 23824 32168 35968 41026 47648 64336 71936 82052 95296 108697 128672 164104 190592 217394 257344 293533 328208 381184 418409 434788 514688 587066 656416 836818 869576 1029376 1129901 1174132 1312832 1673636 1739152 2259802 2348264 2625664 3347272 3478304 4519604 4696528 5251328 5987269 6694544 6956608 9039208 9393056 11974538 13389088 13913216 18078416 18786112 23949076 26778176 27826432 30543857 36156832 37572224 47898152 53556352 61087714 72313664 75144448 82482773 95796304 107112704 122175428 144627328 164965546 191592608 244350856 289254656 329931092 383185216 437070637 488701712 659862184 766370432 874141274 977403424 1319724368 1532740864 1682422589 1748282548 1954806848 2639448736 3364845178 3496565096 3909613696 5278897472 6729690356 6993130192 7819227392 10557794944 13459380712 13986260384 21115589888 26918761424 27972520768 53837522848 55945041536 107675045696 111890083072 122816848997 215350091392 245633697994 430700182784 491267395988 982534791976 1965069583952 3930139167904 7860278335808 15720556671616 31441113343232