231464561031 has 12 divisors (see below), whose sum is σ = 364732035720. Its totient is φ = 140281552080.

The previous prime is 231464561017. The next prime is 231464561063. The reversal of 231464561031 is 130165464132.

231464561031 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 6 + 4 + 5 + 610 + 31 = 666.

It is not a de Polignac number, because 231464561031 - 2⁶ = 231464560967 is a prime.

It is a super-2 number, since 2×231464561031² (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 (231464566031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1169012836 + ... + 1169013033.

It is an arithmetic number, because the mean of its divisors is an integer number (30394336310).

Almost surely, 2^231464561031 is an apocalyptic number.

231464561031 is a deficient number, since it is larger than the sum of its proper divisors (133267474689).

231464561031 is a wasteful number, since it uses less digits than its factorization.

231464561031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338025886 (or 2338025883 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 231464561031 in words is "two hundred thirty-one billion, four hundred sixty-four million, five hundred sixty-one thousand, thirty-one".