231545541424032 has 72 divisors (see below), whose sum is σ = 718317418291200. Its totient is φ = 70165315582080.

The previous prime is 231545541424027. The next prime is 231545541424069. The reversal of 231545541424032 is 230424145545132.

231545541424032 is a `hidden beast` number, since 2 + 3 + 1 + 54 + 5 + 54 + 142 + 403 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×231545541424032² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36544432032 + ... + 36544438367.

It is an arithmetic number, because the mean of its divisors is an integer number (9976630809600).

Almost surely, 2^{231545541424032} is an apocalyptic number.

231545541424032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231545541424032 is an abundant number, since it is smaller than the sum of its proper divisors (486771876867168).

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

231545541424032 is a wasteful number, since it uses less digits than its factorization.

231545541424032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73088870426 (or 73088870415 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 231545541424032 its reverse (230424145545132), we get a palindrome (461969686969164).

The spelling of 231545541424032 in words is "two hundred thirty-one trillion, five hundred forty-five billion, five hundred forty-one million, four hundred twenty-four thousand, thirty-two".