231515054025432 has 32 divisors (see below), whose sum is σ = 578932296047280. Its totient is φ = 77152396544000.

The previous prime is 231515054025403. The next prime is 231515054025467. The reversal of 231515054025432 is 234520450515132.

231515054025432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1205410173 + ... + 1205602220.

Almost surely, 2^{231515054025432} is an apocalyptic number.

It is an amenable number.

231515054025432 is an abundant number, since it is smaller than the sum of its proper divisors (347417242021848).

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

231515054025432 is a wasteful number, since it uses less digits than its factorization.

231515054025432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411016403 (or 2411016399 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 231515054025432 in words is "two hundred thirty-one trillion, five hundred fifteen billion, fifty-four million, twenty-five thousand, four hundred thirty-two".