231009870231 has 12 divisors (see below), whose sum is σ = 381349627152. Its totient is φ = 132005640096.

The previous prime is 231009870229. The next prime is 231009870263. The reversal of 231009870231 is 132078900132.

231009870231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231009870231 - 2¹ = 231009870229 is a prime.

It is a super-2 number, since 2×231009870231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231009870031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1833411606 + ... + 1833411731.

It is an arithmetic number, because the mean of its divisors is an integer number (31779135596).

Almost surely, 2^231009870231 is an apocalyptic number.

231009870231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231009870231 is a deficient number, since it is larger than the sum of its proper divisors (150339756921).

231009870231 is a wasteful number, since it uses less digits than its factorization.

231009870231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666823350 (or 3666823347 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 231009870231 in words is "two hundred thirty-one billion, nine million, eight hundred seventy thousand, two hundred thirty-one".