231513525535032 has 80 divisors (see below), whose sum is σ = 698333177120040. Its totient is φ = 71234930931264.

The previous prime is 231513525535013. The next prime is 231513525535049. The reversal of 231513525535032 is 230535525315132.

231513525535032 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 13 + 5 + 2 + 553 + 50 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13741297698 + ... + 13741314545.

Almost surely, 2^{231513525535032} is an apocalyptic number.

It is an amenable number.

231513525535032 is an abundant number, since it is smaller than the sum of its proper divisors (466819651585008).

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

231513525535032 is a wasteful number, since it uses less digits than its factorization.

231513525535032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27482612274 (or 27482612261 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 231513525535032 in words is "two hundred thirty-one trillion, five hundred thirteen billion, five hundred twenty-five million, five hundred thirty-five thousand, thirty-two".