231531534524232 has 96 divisors (see below), whose sum is σ = 666149898566880. Its totient is φ = 75294807949440.

The previous prime is 231531534524209. The next prime is 231531534524249. The reversal of 231531534524232 is 232425435135132.

231531534524232 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 3 + 153 + 452 + 42 + 3 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1452366438 + ... + 1452525845.

It is an arithmetic number, because the mean of its divisors is an integer number (6939061443405).

Almost surely, 2^{231531534524232} is an apocalyptic number.

It is an amenable number.

231531534524232 is an abundant number, since it is smaller than the sum of its proper divisors (434618364042648).

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

231531534524232 is a wasteful number, since it uses less digits than its factorization.

231531534524232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904892345 (or 2904892329 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

Adding to 231531534524232 its reverse (232425435135132), we get a palindrome (463956969659364).

The spelling of 231531534524232 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred thirty-four million, five hundred twenty-four thousand, two hundred thirty-two".