311314323 has 16 divisors (see below), whose sum is σ = 424488960. Its totient is φ = 202853376.

The previous prime is 311314313. The next prime is 311314331. The reversal of 311314323 is 323413113.

It is a de Polignac number, because none of the positive numbers 2^k-311314323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311314323.

It is not an unprimeable number, because it can be changed into a prime (311314313) 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, 197886 + ... + 199452.

It is an arithmetic number, because the mean of its divisors is an integer number (26530560).

Almost surely, 2^311314323 is an apocalyptic number.

311314323 is a deficient number, since it is larger than the sum of its proper divisors (113174637).

311314323 is a wasteful number, since it uses less digits than its factorization.

311314323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its digits is 648, while the sum is 21.

The square root of 311314323 is about 17644.1016489931. The cubic root of 311314323 is about 677.7450704025.

Adding to 311314323 its reverse (323413113), we get a palindrome (634727436).

The spelling of 311314323 in words is "three hundred eleven million, three hundred fourteen thousand, three hundred twenty-three".