131591655524 has 12 divisors (see below), whose sum is σ = 263183311104. Its totient is φ = 56396423784.

The previous prime is 131591655511. The next prime is 131591655551. The reversal of 131591655524 is 425556195131.

131591655524 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349850964 + ... + 2349851019.

It is an arithmetic number, because the mean of its divisors is an integer number (21931942592).

Almost surely, 2^131591655524 is an apocalyptic number.

131591655524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131591655524 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131591655524 is a wasteful number, since it uses less digits than its factorization.

131591655524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699701994 (or 4699701992 counting only the distinct ones).

The product of its digits is 810000, while the sum is 47.

The spelling of 131591655524 in words is "one hundred thirty-one billion, five hundred ninety-one million, six hundred fifty-five thousand, five hundred twenty-four".