131130642204 has 24 divisors (see below), whose sum is σ = 339968331920. Its totient is φ = 43710214032.

The previous prime is 131130642173. The next prime is 131130642221. The reversal of 131130642204 is 402246031131.

It is a happy number.

131130642204 is a `hidden beast` number, since 1 + 3 + 1 + 13 + 0 + 642 + 2 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607086199 + ... + 607086414.

Almost surely, 2^131130642204 is an apocalyptic number.

It is an amenable number.

131130642204 is an abundant number, since it is smaller than the sum of its proper divisors (208837689716).

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

131130642204 is a wasteful number, since it uses less digits than its factorization.

131130642204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214172626 (or 1214172618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131130642204 its reverse (402246031131), we get a palindrome (533376673335).

The spelling of 131130642204 in words is "one hundred thirty-one billion, one hundred thirty million, six hundred forty-two thousand, two hundred four".