231275012 has 24 divisors (see below), whose sum is σ = 416993304. Its totient is φ = 112154112.

The previous prime is 231274963. The next prime is 231275039. The reversal of 231275012 is 210572132.

It is a happy number.

231275012 is digitally balanced in base 3, 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 4 ways, for example, as 30316036 + 200958976 = 5506^2 + 14176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47558 + ... + 52194.

It is an arithmetic number, because the mean of its divisors is an integer number (17374721).

Almost surely, 2^231275012 is an apocalyptic number.

It is an amenable number.

231275012 is a deficient number, since it is larger than the sum of its proper divisors (185718292).

231275012 is a wasteful number, since it uses less digits than its factorization.

231275012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5013 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 231275012 is about 15207.7286930034. The cubic root of 231275012 is about 613.8226418528.

The spelling of 231275012 in words is "two hundred thirty-one million, two hundred seventy-five thousand, twelve".