315313424 has 20 divisors (see below), whose sum is σ = 611640540. Its totient is φ = 157470720.

The previous prime is 315313409. The next prime is 315313429. The reversal of 315313424 is 424313513.

It can be written as a sum of positive squares in 2 ways, for example, as 97219600 + 218093824 = 9860^2 + 14768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315313393 and 315313402.

It is not an unprimeable number, because it can be changed into a prime (315313429) 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, 2912 + ... + 25280.

It is an arithmetic number, because the mean of its divisors is an integer number (30582027).

Almost surely, 2^315313424 is an apocalyptic number.

It is an amenable number.

315313424 is a deficient number, since it is larger than the sum of its proper divisors (296327116).

315313424 is a wasteful number, since it uses less digits than its factorization.

315313424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23258 (or 23252 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 315313424 is about 17757.0668749093. The cubic root of 315313424 is about 680.6348051254.

Adding to 315313424 its reverse (424313513), we get a palindrome (739626937).

The spelling of 315313424 in words is "three hundred fifteen million, three hundred thirteen thousand, four hundred twenty-four".