231862639936 has 14 divisors (see below), whose sum is σ = 460102426250. Its totient is φ = 115931319936.

The previous prime is 231862639933. The next prime is 231862639951. The reversal of 231862639936 is 639936268132.

231862639936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 212285033536 + 19577606400 = 460744^2 + 139920^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231862639933) 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 as a sum of consecutive naturals, namely, 1811426811 + ... + 1811426938.

Almost surely, 2^231862639936 is an apocalyptic number.

It is an amenable number.

231862639936 is a deficient number, since it is larger than the sum of its proper divisors (228239786314).

231862639936 is an equidigital number, since it uses as much as digits as its factorization.

231862639936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622853761 (or 3622853751 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 58.

The spelling of 231862639936 in words is "two hundred thirty-one billion, eight hundred sixty-two million, six hundred thirty-nine thousand, nine hundred thirty-six".