315009424 has 20 divisors (see below), whose sum is σ = 613532160. Its totient is φ = 156678560.

The previous prime is 315009421. The next prime is 315009427. The reversal of 315009424 is 424900513.

It is an interprime number because it is at equal distance from previous prime (315009421) and next prime (315009427).

It is a junction number, because it is equal to n+sod(n) for n = 315009392 and 315009401.

It is not an unprimeable number, because it can be changed into a prime (315009421) 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, 48484 + ... + 54595.

It is an arithmetic number, because the mean of its divisors is an integer number (30676608).

Almost surely, 2^315009424 is an apocalyptic number.

It is an amenable number.

315009424 is a deficient number, since it is larger than the sum of its proper divisors (298522736).

315009424 is a wasteful number, since it uses less digits than its factorization.

315009424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103278 (or 103272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 315009424 is about 17748.5048384364. The cubic root of 315009424 is about 680.4159968995.

Adding to 315009424 its reverse (424900513), we get a palindrome (739909937).

The spelling of 315009424 in words is "three hundred fifteen million, nine thousand, four hundred twenty-four".