315715630 has 16 divisors (see below), whose sum is σ = 569590560. Its totient is φ = 125996832.

The previous prime is 315715601. The next prime is 315715637. The reversal of 315715630 is 36517513.

It is a junction number, because it is equal to n+sod(n) for n = 315715592 and 315715601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315715637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31569 + ... + 40348.

It is an arithmetic number, because the mean of its divisors is an integer number (35599410).

Almost surely, 2^315715630 is an apocalyptic number.

315715630 is a deficient number, since it is larger than the sum of its proper divisors (253874930).

315715630 is a wasteful number, since it uses less digits than its factorization.

315715630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72363.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 315715630 is about 17768.3885031817. The cubic root of 315715630 is about 680.9240824661.

The spelling of 315715630 in words is "three hundred fifteen million, seven hundred fifteen thousand, six hundred thirty".