231257368 has 32 divisors (see below), whose sum is σ = 449712000. Its totient is φ = 111354880.

The previous prime is 231257347. The next prime is 231257371. The reversal of 231257368 is 863752132.

It is a congruent number.

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, 110088 + ... + 112168.

It is an arithmetic number, because the mean of its divisors is an integer number (14053500).

Almost surely, 2^231257368 is an apocalyptic number.

It is an amenable number.

231257368 is a deficient number, since it is larger than the sum of its proper divisors (218454632).

231257368 is a wasteful number, since it uses less digits than its factorization.

231257368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 231257368 is about 15207.1485821636. The cubic root of 231257368 is about 613.8070319201.

The spelling of 231257368 in words is "two hundred thirty-one million, two hundred fifty-seven thousand, three hundred sixty-eight".