231922898136 has 80 divisors (see below), whose sum is σ = 649706329800. Its totient is φ = 77294843136.

The previous prime is 231922898117. The next prime is 231922898149. The reversal of 231922898136 is 631898229132.

231922898136 is a `hidden beast` number, since 2 + 319 + 228 + 98 + 13 + 6 = 666.

231922898136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4401595 + ... + 4453973.

Almost surely, 2^231922898136 is an apocalyptic number.

It is an amenable number.

231922898136 is an abundant number, since it is smaller than the sum of its proper divisors (417783431664).

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

231922898136 is a wasteful number, since it uses less digits than its factorization.

231922898136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59230 (or 59217 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 231922898136 in words is "two hundred thirty-one billion, nine hundred twenty-two million, eight hundred ninety-eight thousand, one hundred thirty-six".