230915631 has 8 divisors (see below), whose sum is σ = 316208944. Its totient is φ = 149783040.

The previous prime is 230915627. The next prime is 230915651. The reversal of 230915631 is 136519032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230915631 - 2² = 230915627 is a prime.

It is a super-2 number, since 2×230915631² = 106644057280256322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230915611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040050 + ... + 1040271.

It is an arithmetic number, because the mean of its divisors is an integer number (39526118).

Almost surely, 2^230915631 is an apocalyptic number.

230915631 is a deficient number, since it is larger than the sum of its proper divisors (85293313).

230915631 is a wasteful number, since it uses less digits than its factorization.

230915631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080361.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 230915631 is about 15195.9083637669. The cubic root of 230915631 is about 613.5045349173.

The spelling of 230915631 in words is "two hundred thirty million, nine hundred fifteen thousand, six hundred thirty-one".