315626332 has 24 divisors (see below), whose sum is σ = 658699776. Its totient is φ = 129386928.

The previous prime is 315626329. The next prime is 315626351. The reversal of 315626332 is 233626513.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 315626294 and 315626303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244408 + ... + 245695.

It is an arithmetic number, because the mean of its divisors is an integer number (27445824).

Almost surely, 2^315626332 is an apocalyptic number.

It is an amenable number.

315626332 is an abundant number, since it is smaller than the sum of its proper divisors (343073444).

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

315626332 is a wasteful number, since it uses less digits than its factorization.

315626332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490137 (or 490135 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 315626332 is about 17765.8754920775. The cubic root of 315626332 is about 680.8598781774.

The spelling of 315626332 in words is "three hundred fifteen million, six hundred twenty-six thousand, three hundred thirty-two".