315100431 has 12 divisors (see below), whose sum is σ = 465730408. Its totient is φ = 205181424.

The previous prime is 315100417. The next prime is 315100433. The reversal of 315100431 is 134001513.

It is not a de Polignac number, because 315100431 - 2¹⁸ = 314838287 is a prime.

It is a super-2 number, since 2×315100431² = 198576563232771522, 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 (315100433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406720 + ... + 407493.

Almost surely, 2^315100431 is an apocalyptic number.

315100431 is a deficient number, since it is larger than the sum of its proper divisors (150629977).

315100431 is a wasteful number, since it uses less digits than its factorization.

315100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814262 (or 814259 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 315100431 is about 17751.0684467161. The cubic root of 315100431 is about 680.4815152107.

Adding to 315100431 its reverse (134001513), we get a palindrome (449101944).

The spelling of 315100431 in words is "three hundred fifteen million, one hundred thousand, four hundred thirty-one".