323111312 has 20 divisors (see below), whose sum is σ = 626547696. Its totient is φ = 161421600.

The previous prime is 323111311. The next prime is 323111363. The reversal of 323111312 is 213111323.

It is a super-2 number, since 2×323111312² = 208801839884722688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323111311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13187 + ... + 28637.

Almost surely, 2^323111312 is an apocalyptic number.

It is an amenable number.

323111312 is a deficient number, since it is larger than the sum of its proper divisors (303436384).

323111312 is a wasteful number, since it uses less digits than its factorization.

323111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16766 (or 16760 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 323111312 is about 17975.2972715335. The cubic root of 323111312 is about 686.2000113775.

Adding to 323111312 its reverse (213111323), we get a palindrome (536222635).

The spelling of 323111312 in words is "three hundred twenty-three million, one hundred eleven thousand, three hundred twelve".