313223312 has 20 divisors (see below), whose sum is σ = 608619900. Its totient is φ = 156160128.

The previous prime is 313223299. The next prime is 313223327. The reversal of 313223312 is 213322313.

It can be written as a sum of positive squares in 2 ways, for example, as 148254976 + 164968336 = 12176^2 + 12844^2 .

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, 22463 + ... + 33630.

It is an arithmetic number, because the mean of its divisors is an integer number (30430995).

Almost surely, 2^313223312 is an apocalyptic number.

It is an amenable number.

313223312 is a deficient number, since it is larger than the sum of its proper divisors (295396588).

313223312 is a wasteful number, since it uses less digits than its factorization.

313223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56450 (or 56444 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 313223312 is about 17698.1160579311. The cubic root of 313223312 is about 679.1275662754.

Adding to 313223312 its reverse (213322313), we get a palindrome (526545625).

Subtracting from 313223312 its reverse (213322313), we obtain a palindrome (99900999).

The spelling of 313223312 in words is "three hundred thirteen million, two hundred twenty-three thousand, three hundred twelve".