315650172 has 12 divisors (see below), whose sum is σ = 736517096. Its totient is φ = 105216720.

The previous prime is 315650161. The next prime is 315650191. The reversal of 315650172 is 271056513.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 13152079 + ... + 13152102.

Almost surely, 2^315650172 is an apocalyptic number.

It is an amenable number.

315650172 is an abundant number, since it is smaller than the sum of its proper divisors (420866924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315650172 is a wasteful number, since it uses less digits than its factorization.

315650172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304188 (or 26304186 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 315650172 is about 17766.5464286113. The cubic root of 315650172 is about 680.8770200623.

The spelling of 315650172 in words is "three hundred fifteen million, six hundred fifty thousand, one hundred seventy-two".