231534525435132 has 24 divisors (see below), whose sum is σ = 546756228740736. Its totient is φ = 76248317612848.

The previous prime is 231534525435121. The next prime is 231534525435137.

231534525435132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231534525435137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116232190488 + ... + 116232192479.

It is an arithmetic number, because the mean of its divisors is an integer number (22781509530864).

Almost surely, 2^{231534525435132} is an apocalyptic number.

It is an amenable number.

231534525435132 is an abundant number, since it is smaller than the sum of its proper divisors (315221703305604).

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

231534525435132 is a wasteful number, since it uses less digits than its factorization.

231534525435132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232464383057 (or 232464383055 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 48.

The spelling of 231534525435132 in words is "two hundred thirty-one trillion, five hundred thirty-four billion, five hundred twenty-five million, four hundred thirty-five thousand, one hundred thirty-two".