231455554132 has 24 divisors (see below), whose sum is σ = 467862030720. Its totient is φ = 99018418560.

The previous prime is 231455554037. The next prime is 231455554151.

231455554132 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154715532 + ... + 154717027.

It is an arithmetic number, because the mean of its divisors is an integer number (19494251280).

Almost surely, 2^231455554132 is an apocalyptic number.

231455554132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231455554132 is an abundant number, since it is smaller than the sum of its proper divisors (236406476588).

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

231455554132 is a wasteful number, since it uses less digits than its factorization.

231455554132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309432591 (or 309432589 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 231455 and 554132, that added together give a palindrome (785587).

The spelling of 231455554132 in words is "two hundred thirty-one billion, four hundred fifty-five million, five hundred fifty-four thousand, one hundred thirty-two".