230715931 has 4 divisors (see below), whose sum is σ = 230759200. Its totient is φ = 230672664.

The previous prime is 230715913. The next prime is 230715949. The reversal of 230715931 is 139517032.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (230715913) and next prime (230715949).

It is a cyclic number.

It is not a de Polignac number, because 230715931 - 2⁵ = 230715899 is a prime.

It is a super-2 number, since 2×230715931² = 106459681634393522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230715893 and 230715902.

It is not an unprimeable number, because it can be changed into a prime (230715911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12291 + ... + 24748.

It is an arithmetic number, because the mean of its divisors is an integer number (57689800).

Almost surely, 2^230715931 is an apocalyptic number.

230715931 is a deficient number, since it is larger than the sum of its proper divisors (43269).

230715931 is an equidigital number, since it uses as much as digits as its factorization.

230715931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43268.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 230715931 is about 15189.3360947739. The cubic root of 230715931 is about 613.3276273164.

The spelling of 230715931 in words is "two hundred thirty million, seven hundred fifteen thousand, nine hundred thirty-one".