315172630 has 16 divisors (see below), whose sum is σ = 568165824. Its totient is φ = 125879040.

The previous prime is 315172607. The next prime is 315172643. The reversal of 315172630 is 36271513.

315172630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×315172630² = 198667573402233800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 16686 + ... + 30145.

It is an arithmetic number, because the mean of its divisors is an integer number (35510364).

Almost surely, 2^315172630 is an apocalyptic number.

315172630 is a deficient number, since it is larger than the sum of its proper divisors (252993194).

315172630 is a wasteful number, since it uses less digits than its factorization.

315172630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47511.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 315172630 is about 17753.1019824706. The cubic root of 315172630 is about 680.5334841791.

The spelling of 315172630 in words is "three hundred fifteen million, one hundred seventy-two thousand, six hundred thirty".