315331133512 has 32 divisors (see below), whose sum is σ = 623369700000. Its totient is φ = 149126030208.

The previous prime is 315331133471. The next prime is 315331133563. The reversal of 315331133512 is 215331133513.

It is a happy 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, 1581637 + ... + 1769812.

It is an arithmetic number, because the mean of its divisors is an integer number (19480303125).

Almost surely, 2^315331133512 is an apocalyptic number.

It is an amenable number.

315331133512 is a deficient number, since it is larger than the sum of its proper divisors (308038566488).

315331133512 is a wasteful number, since it uses less digits than its factorization.

315331133512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352093 (or 3352089 counting only the distinct ones).

The product of its digits is 12150, while the sum is 31.

Subtracting from 315331133512 its reverse (215331133513), we obtain a palindrome (99999999999).

The spelling of 315331133512 in words is "three hundred fifteen billion, three hundred thirty-one million, one hundred thirty-three thousand, five hundred twelve".