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230331321210012 = 223119791813195931
BaseRepresentation
bin110100010111110000110000…
…100101001101010010011100
31010012112110101210122011120220
4310113300300211031102130
5220142222021212210022
62133512425340041340
766341613600564441
oct6427606045152234
91105473353564526
10230331321210012
1167432a68109330
12219bb905533250
139b6a1c5544b99
1440c4149bdd9c8
151b966a613085c
hexd17c3094d49c

230331321210012 has 96 divisors (see below), whose sum is σ = 592351691737344. Its totient is φ = 69076704614400.

The previous prime is 230331321210007. The next prime is 230331321210019. The reversal of 230331321210012 is 210012123133032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230331321210019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175475687 + ... + 1175671617.

It is an arithmetic number, because the mean of its divisors is an integer number (6170330122264).

Almost surely, 2230331321210012 is an apocalyptic number.

230331321210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230331321210012 is an abundant number, since it is smaller than the sum of its proper divisors (362020370527332).

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

230331321210012 is a wasteful number, since it uses less digits than its factorization.

230331321210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287859 (or 287857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 230331321210012 its reverse (210012123133032), we get a palindrome (440343444343044).

The spelling of 230331321210012 in words is "two hundred thirty trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 132 194 291 388 582 1067 1164 2134 3201 4268 6402 12804 91813 183626 195931 275439 367252 391862 550878 587793 783724 1009943 1101756 1175586 2019886 2155241 2351172 3029829 4039772 4310482 6059658 6465723 8620964 8905861 12119316 12931446 17811722 19005307 25862892 26717583 35623444 38010614 53435166 57015921 76021228 97964471 106870332 114031842 195928942 209058377 228063684 293893413 391857884 418116754 587786826 627175131 836233508 1175573652 1254350262 2508700524 17989012903 35978025806 53967038709 71956051612 107934077418 197879141933 215868154836 395758283866 593637425799 791516567732 1187274851598 1744934251591 2374549703196 3489868503182 5234802754773 6979737006364 10469605509546 19194276767501 20939211019092 38388553535002 57582830302503 76777107070004 115165660605006 230331321210012