231365315 has 4 divisors (see below), whose sum is σ = 277638384. Its totient is φ = 185092248.

The previous prime is 231365311. The next prime is 231365317. The reversal of 231365315 is 513563132.

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

It is a cyclic number.

It is not a de Polignac number, because 231365315 - 2² = 231365311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231365311) 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, 23136527 + ... + 23136536.

It is an arithmetic number, because the mean of its divisors is an integer number (69409596).

Almost surely, 2^231365315 is an apocalyptic number.

231365315 is a deficient number, since it is larger than the sum of its proper divisors (46273069).

231365315 is an equidigital number, since it uses as much as digits as its factorization.

231365315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46273068.

The product of its digits is 8100, while the sum is 29.

The square root of 231365315 is about 15210.6973870365. The cubic root of 231365315 is about 613.9025219528.

The spelling of 231365315 in words is "two hundred thirty-one million, three hundred sixty-five thousand, three hundred fifteen".