231312937775 has 6 divisors (see below), whose sum is σ = 286828042872. Its totient is φ = 185050350200.

The previous prime is 231312937721. The next prime is 231312937787. The reversal of 231312937775 is 577739213132.

It is not a de Polignac number, because 231312937775 - 2⁶ = 231312937711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4626258731 + ... + 4626258780.

It is an arithmetic number, because the mean of its divisors is an integer number (47804673812).

Almost surely, 2^231312937775 is an apocalyptic number.

231312937775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231312937775 is a deficient number, since it is larger than the sum of its proper divisors (55515105097).

231312937775 is an equidigital number, since it uses as much as digits as its factorization.

231312937775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252517521 (or 9252517516 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 50.

The spelling of 231312937775 in words is "two hundred thirty-one billion, three hundred twelve million, nine hundred thirty-seven thousand, seven hundred seventy-five".