315551332 has 6 divisors (see below), whose sum is σ = 552214838. Its totient is φ = 157775664.

The previous prime is 315551323. The next prime is 315551339. The reversal of 315551332 is 233155513.

It can be written as a sum of positive squares in only one way, i.e., 237653056 + 77898276 = 15416^2 + 8826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315551332.

It is not an unprimeable number, because it can be changed into a prime (315551339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39443913 + ... + 39443920.

Almost surely, 2^315551332 is an apocalyptic number.

It is an amenable number.

315551332 is a deficient number, since it is larger than the sum of its proper divisors (236663506).

315551332 is a wasteful number, since it uses less digits than its factorization.

315551332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78887837 (or 78887835 counting only the distinct ones).

The product of its digits is 6750, while the sum is 28.

The square root of 315551332 is about 17763.7645784895. The cubic root of 315551332 is about 680.8059446375.

The spelling of 315551332 in words is "three hundred fifteen million, five hundred fifty-one thousand, three hundred thirty-two".