312515332 has 12 divisors (see below), whose sum is σ = 547201116. Its totient is φ = 156172160.

The previous prime is 312515327. The next prime is 312515351. The reversal of 312515332 is 233515213.

312515332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 280093696 + 32421636 = 16736^2 + 5694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312515297 and 312515306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12769 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (45600093).

Almost surely, 2^312515332 is an apocalyptic number.

It is an amenable number.

312515332 is a deficient number, since it is larger than the sum of its proper divisors (234685784).

312515332 is a wasteful number, since it uses less digits than its factorization.

312515332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42758 (or 42756 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 312515332 is about 17678.1031787916. The cubic root of 312515332 is about 678.6155019541.

The spelling of 312515332 in words is "three hundred twelve million, five hundred fifteen thousand, three hundred thirty-two".