230931556 has 12 divisors (see below), whose sum is σ = 404834668. Its totient is φ = 115264512.

The previous prime is 230931511. The next prime is 230931577. The reversal of 230931556 is 655139032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188238400 + 42693156 = 13720^2 + 6534^2 .

It is a super-2 number, since 2×230931556² = 106658767113162272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47721 + ... + 52336.

Almost surely, 2^230931556 is an apocalyptic number.

It is an amenable number.

230931556 is a deficient number, since it is larger than the sum of its proper divisors (173903112).

230931556 is a wasteful number, since it uses less digits than its factorization.

230931556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100638 (or 100636 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 230931556 is about 15196.4323444682. The cubic root of 230931556 is about 613.5186379544.

It can be divided in two parts, 23093 and 1556, that added together give a square (24649 = 157²).

The spelling of 230931556 in words is "two hundred thirty million, nine hundred thirty-one thousand, five hundred fifty-six".