231275458775 has 12 divisors (see below), whose sum is σ = 294532423272. Its totient is φ = 180019815840.

The previous prime is 231275458759. The next prime is 231275458783. The reversal of 231275458775 is 577854572132.

It is a happy number.

It is not a de Polignac number, because 231275458775 - 2⁴ = 231275458759 is a prime.

It is a super-3 number, since 3×231275458775³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231275458775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125012837 + ... + 125014686.

It is an arithmetic number, because the mean of its divisors is an integer number (24544368606).

Almost surely, 2^231275458775 is an apocalyptic number.

231275458775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231275458775 is a deficient number, since it is larger than the sum of its proper divisors (63256964497).

231275458775 is a wasteful number, since it uses less digits than its factorization.

231275458775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250027570 (or 250027565 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 56.

The spelling of 231275458775 in words is "two hundred thirty-one billion, two hundred seventy-five million, four hundred fifty-eight thousand, seven hundred seventy-five".