231073256 has 16 divisors (see below), whose sum is σ = 447239040. Its totient is φ = 111809520.

The previous prime is 231073237. The next prime is 231073259. The reversal of 231073256 is 652370132.

It is not an unprimeable number, because it can be changed into a prime (231073259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465626 + ... + 466121.

It is an arithmetic number, because the mean of its divisors is an integer number (27952440).

Almost surely, 2^231073256 is an apocalyptic number.

It is an amenable number.

231073256 is a deficient number, since it is larger than the sum of its proper divisors (216165784).

231073256 is a wasteful number, since it uses less digits than its factorization.

231073256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931784 (or 931780 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 231073256 is about 15201.0939080054. The cubic root of 231073256 is about 613.6440976610.

The spelling of 231073256 in words is "two hundred thirty-one million, seventy-three thousand, two hundred fifty-six".