231532430355144 has 96 divisors (see below), whose sum is σ = 627536780270400. Its totient is φ = 77119672060800.

The previous prime is 231532430355143. The next prime is 231532430355157. The reversal of 231532430355144 is 441553034235132.

231532430355144 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 3 + 24 + 30 + 3 + 551 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 231532430355144.

It is not an unprimeable number, because it can be changed into a prime (231532430355143) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 786203877 + ... + 786498315.

It is an arithmetic number, because the mean of its divisors is an integer number (6536841461150).

Almost surely, 2^{231532430355144} is an apocalyptic number.

231532430355144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231532430355144 is an abundant number, since it is smaller than the sum of its proper divisors (396004349915256).

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

231532430355144 is a wasteful number, since it uses less digits than its factorization.

231532430355144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302595 (or 302588 counting only the distinct ones).

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

The spelling of 231532430355144 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred thirty million, three hundred fifty-five thousand, one hundred forty-four".