231504270564 has 96 divisors (see below), whose sum is σ = 655104522240. Its totient is φ = 62195874048.

The previous prime is 231504270551. The next prime is 231504270581. The reversal of 231504270564 is 465072405132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901489 + ... + 1129464.

It is an arithmetic number, because the mean of its divisors is an integer number (6824005440).

Almost surely, 2^231504270564 is an apocalyptic number.

It is an amenable number.

231504270564 is an abundant number, since it is smaller than the sum of its proper divisors (423600251676).

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

231504270564 is a wasteful number, since it uses less digits than its factorization.

231504270564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031049 (or 2031047 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 231504270564 its reverse (465072405132), we get a palindrome (696576675696).

The spelling of 231504270564 in words is "two hundred thirty-one billion, five hundred four million, two hundred seventy thousand, five hundred sixty-four".