231531421245304 has 16 divisors (see below), whose sum is σ = 438336185854320. Its totient is φ = 114641771684160.

The previous prime is 231531421245277. The next prime is 231531421245337. The reversal of 231531421245304 is 403542124135132.

It is a congruent 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, 140492366437 + ... + 140492368084.

It is an arithmetic number, because the mean of its divisors is an integer number (27396011615895).

Almost surely, 2^{231531421245304} is an apocalyptic number.

It is an amenable number.

231531421245304 is a deficient number, since it is larger than the sum of its proper divisors (206804764609016).

231531421245304 is a wasteful number, since it uses less digits than its factorization.

231531421245304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280984734630 (or 280984734626 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 231531421245304 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, four hundred twenty-one million, two hundred forty-five thousand, three hundred four".