315316130 has 24 divisors (see below), whose sum is σ = 587830932. Its totient is φ = 121774016.

The previous prime is 315316103. The next prime is 315316139. The reversal of 315316130 is 31613513.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 100781521 + 214534609 = 10039^2 + 14647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315316096 and 315316105.

It is not an unprimeable number, because it can be changed into a prime (315316139) 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, 10337 + ... + 27156.

Almost surely, 2^315316130 is an apocalyptic number.

315316130 is a deficient number, since it is larger than the sum of its proper divisors (272514802).

315316130 is a wasteful number, since it uses less digits than its factorization.

315316130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37558 (or 37529 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 315316130 is about 17757.1430697621. The cubic root of 315316130 is about 680.6367521749.

Adding to 315316130 its reverse (31613513), we get a palindrome (346929643).

The spelling of 315316130 in words is "three hundred fifteen million, three hundred sixteen thousand, one hundred thirty".