231550510405230 has 48 divisors (see below), whose sum is σ = 602032215067920. Its totient is φ = 61746711696384.

The previous prime is 231550510405177. The next prime is 231550510405231. The reversal of 231550510405230 is 32504015055132.

231550510405230 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 5 + 0 + 5 + 10 + 405 + 230 = 666.

It is a super-2 number, since 2×231550510405230² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231550510405231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78083086 + ... + 80994254.

It is an arithmetic number, because the mean of its divisors is an integer number (12542337813915).

Almost surely, 2^{231550510405230} is an apocalyptic number.

231550510405230 is an abundant number, since it is smaller than the sum of its proper divisors (370481704662690).

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

231550510405230 is a wasteful number, since it uses less digits than its factorization.

231550510405230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794945 (or 3794942 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 231550510405230 in words is "two hundred thirty-one trillion, five hundred fifty billion, five hundred ten million, four hundred five thousand, two hundred thirty".