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131032343411220 = 223514447151164421
BaseRepresentation
bin11101110010110001011000…
…010010000111101000010100
3122011221120101022021020111010
4131302301120102013220110
5114133313214403124340
61142403232204012220
736412526423004156
oct3562613022075024
9564846338236433
10131032343411220
1138829560938739
1212842b42831070
1358163b257a374
14244dddbd7cad6
1510236ba532b80
hex772c58487a14

131032343411220 has 48 divisors (see below), whose sum is σ = 366915959601408. Its totient is φ = 34939539381120.

The previous prime is 131032343411213. The next prime is 131032343411273. The reversal of 131032343411220 is 22114343230131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74715391 + ... + 76449030.

It is an arithmetic number, because the mean of its divisors is an integer number (7644082491696).

Almost surely, 2131032343411220 is an apocalyptic number.

131032343411220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032343411220 is an abundant number, since it is smaller than the sum of its proper divisors (235883616190188).

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

131032343411220 is a wasteful number, since it uses less digits than its factorization.

131032343411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151178880 (or 151178878 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131032343411220 its reverse (22114343230131), we get a palindrome (153146686641351).

The spelling of 131032343411220 in words is "one hundred thirty-one trillion, thirty-two billion, three hundred forty-three million, four hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 14447 28894 43341 57788 72235 86682 144470 173364 216705 288940 433410 866820 151164421 302328842 453493263 604657684 755822105 906986526 1511644210 1813973052 2267466315 3023288420 4534932630 9069865260 2183872390187 4367744780374 6551617170561 8735489560748 10919361950935 13103234341122 21838723901870 26206468682244 32758085852805 43677447803740 65516171705610 131032343411220