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131213011103432 = 2370923133464581
BaseRepresentation
bin11101110101011001101000…
…111010101010111011001000
3122012120211201100101221020222
4131311121220322222323020
5114144243221320302212
61143022231455405212
736431553510025616
oct3565315072527310
9565524640357228
10131213011103432
1138899142062965
1212871b63b23808
13582a44562b75b
142458a5a7026b6
15102824167ac72
hex775668eaaec8

131213011103432 has 16 divisors (see below), whose sum is σ = 246371397798300. Its totient is φ = 65513971690560.

The previous prime is 131213011103431. The next prime is 131213011103453. The reversal of 131213011103432 is 234301110312131.

It can be written as a sum of positive squares in 2 ways, for example, as 130666526454916 + 546484648516 = 11430946^2 + 739246^2 .

It is not an unprimeable number, because it can be changed into a prime (131213011103431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11566726619 + ... + 11566737962.

Almost surely, 2131213011103432 is an apocalyptic number.

It is an amenable number.

131213011103432 is a deficient number, since it is larger than the sum of its proper divisors (115158386694868).

131213011103432 is a wasteful number, since it uses less digits than its factorization.

131213011103432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23133465296 (or 23133465292 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 131213011103432 its reverse (234301110312131), we get a palindrome (365514121415563).

The spelling of 131213011103432 in words is "one hundred thirty-one trillion, two hundred thirteen billion, eleven million, one hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 709 1418 2836 5672 23133464581 46266929162 92533858324 185067716648 16401626387929 32803252775858 65606505551716 131213011103432