231205502132 has 12 divisors (see below), whose sum is σ = 441392322336. Its totient is φ = 105093410040.

The previous prime is 231205502123. The next prime is 231205502147.

It is a happy number.

231205502132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231205502132² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627335208 + ... + 2627335295.

It is an arithmetic number, because the mean of its divisors is an integer number (36782693528).

Almost surely, 2^231205502132 is an apocalyptic number.

231205502132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231205502132 is a deficient number, since it is larger than the sum of its proper divisors (210186820204).

231205502132 is a wasteful number, since it uses less digits than its factorization.

231205502132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254670518 (or 5254670516 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 231205 and 502132, that added together give a palindrome (733337).

The spelling of 231205502132 in words is "two hundred thirty-one billion, two hundred five million, five hundred two thousand, one hundred thirty-two".