315030231 has 24 divisors (see below), whose sum is σ = 460488704. Its totient is φ = 207522000.

The previous prime is 315030193. The next prime is 315030257. The reversal of 315030231 is 132030513.

It is not a de Polignac number, because 315030231 - 2⁶ = 315030167 is a prime.

It is a super-2 number, since 2×315030231² = 198488092887826722, 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 (315030271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419106 + ... + 419856.

Almost surely, 2^315030231 is an apocalyptic number.

315030231 is a deficient number, since it is larger than the sum of its proper divisors (145458473).

315030231 is a wasteful number, since it uses less digits than its factorization.

315030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 315030231 is about 17749.0909908085. The cubic root of 315030231 is about 680.4309775137.

Adding to 315030231 its reverse (132030513), we get a palindrome (447060744).

The spelling of 315030231 in words is "three hundred fifteen million, thirty thousand, two hundred thirty-one".