311324923 has 16 divisors (see below), whose sum is σ = 383862976. Its totient is φ = 245877120.

The previous prime is 311324911. The next prime is 311324939. The reversal of 311324923 is 329423113.

It is a cyclic number.

It is not a de Polignac number, because 311324923 - 2¹⁷ = 311193851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311324891 and 311324900.

It is not an unprimeable number, because it can be changed into a prime (311324963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52993 + ... + 58573.

It is an arithmetic number, because the mean of its divisors is an integer number (23991436).

Almost surely, 2^311324923 is an apocalyptic number.

311324923 is a deficient number, since it is larger than the sum of its proper divisors (72538053).

311324923 is a wasteful number, since it uses less digits than its factorization.

311324923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214.

The product of its digits is 3888, while the sum is 28.

The square root of 311324923 is about 17644.4020301058. The cubic root of 311324923 is about 677.7527625384.

The spelling of 311324923 in words is "three hundred eleven million, three hundred twenty-four thousand, nine hundred twenty-three".