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31011344314344 = 23323123775845171
BaseRepresentation
bin1110000110100011001000…
…01010010110111111101000
311001210122200220110001200200
413003101210022112333220
513031042213121024334
6145542225341432200
76350332010255052
oct703214412267750
9131718626401620
1031011344314344
119976923446249
12358a25856b660
13143c484a77714
14792d582d08d2
1538ba22443799
hex1c3464296fe8

31011344314344 has 96 divisors (see below), whose sum is σ = 86734870659840. Its totient is φ = 9999449222400.

The previous prime is 31011344314339. The next prime is 31011344314429. The reversal of 31011344314344 is 44341344311013.

31011344314344 is a `hidden beast` number, since 3 + 10 + 1 + 134 + 431 + 43 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31011344314299 and 31011344314308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2382879 + ... + 8228049.

It is an arithmetic number, because the mean of its divisors is an integer number (903488236040).

Almost surely, 231011344314344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31011344314344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43367435329920).

31011344314344 is an abundant number, since it is smaller than the sum of its proper divisors (55723526345496).

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

31011344314344 is a wasteful number, since it uses less digits than its factorization.

31011344314344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847591 (or 5847584 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 31011344314344 its reverse (44341344311013), we get a palindrome (75352688625357).

The spelling of 31011344314344 in words is "thirty-one trillion, eleven billion, three hundred forty-four million, three hundred fourteen thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 2377 4754 7131 9508 14262 19016 21393 28524 42786 57048 73687 85572 147374 171144 221061 294748 442122 589496 663183 884244 1326366 1768488 2652732 5305464 5845171 11690342 17535513 23380684 35071026 46761368 52606539 70142052 105213078 140284104 181200301 210426156 362400602 420852312 543600903 724801204 1087201806 1449602408 1630802709 2174403612 3261605418 4348807224 6523210836 13046421672 13893971467 27787942934 41681914401 55575885868 83363828802 111151771736 125045743203 166727657604 250091486406 333455315208 430713115477 500182972812 861426230954 1000365945624 1292139346431 1722852461908 2584278692862 3445704923816 3876418039293 5168557385724 7752836078586 10337114771448 15505672157172 31011344314344