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31332100032300 = 223524192131116969
BaseRepresentation
bin1110001111111000100101…
…01100010100011100101100
311002221022121220220210211110
413013330102230110130230
513101321120102013200
6150345433521552020
76412445435006604
oct707742254243454
9132838556823743
1031332100032300
119a8a961707661
123620454aa5610
1314637b19cb232
147a46a5c37c04
15395046d99b50
hex1c7f12b1472c

31332100032300 has 144 divisors (see below), whose sum is σ = 90913987382400. Its totient is φ = 8331303129600.

The previous prime is 31332100032281. The next prime is 31332100032329. The reversal of 31332100032300 is 323000123313.

It is a super-2 number, since 2×313321000323002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267808216 + ... + 267925184.

It is an arithmetic number, because the mean of its divisors is an integer number (631347134600).

Almost surely, 231332100032300 is an apocalyptic number.

31332100032300 is a gapful number since it is divisible by the number (30) 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 31332100032300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45456993691200).

31332100032300 is an abundant number, since it is smaller than the sum of its proper divisors (59581887350100).

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

31332100032300 is a wasteful number, since it uses less digits than its factorization.

31332100032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119536 (or 119529 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31332100032300 its reverse (323000123313), we get a palindrome (31655100155613).

The spelling of 31332100032300 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred million, thirty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 419 838 1257 1676 2095 2131 2514 4190 4262 5028 6285 6393 8380 8524 10475 10655 12570 12786 20950 21310 25140 25572 31425 31965 41900 42620 53275 62850 63930 106550 116969 125700 127860 159825 213100 233938 319650 350907 467876 584845 639300 701814 892889 1169690 1403628 1754535 1785778 2339380 2678667 2924225 3509070 3571556 4464445 5357334 5848450 7018140 8772675 8928890 10714668 11696900 13393335 17545350 17857780 22322225 26786670 35090700 44644450 49010011 53573340 66966675 89288900 98020022 133933350 147030033 196040044 245050055 249260939 267866700 294060066 490100110 498521878 588120132 735150165 747782817 980200220 997043756 1225250275 1246304695 1470300330 1495565634 2450500550 2492609390 2940600660 2991131268 3675750825 3738914085 4901001100 4985218780 6231523475 7351501650 7477828170 12463046950 14703003300 14955656340 18694570425 24926093900 37389140850 74778281700 104440333441 208880666882 313321000323 417761333764 522201667205 626642000646 1044403334410 1253284001292 1566605001615 2088806668820 2611008336025 3133210003230 5222016672050 6266420006460 7833025008075 10444033344100 15666050016150 31332100032300