311312314 has 16 divisors (see below), whose sum is σ = 488527488. Its totient is φ = 148504752.

The previous prime is 311312297. The next prime is 311312329. The reversal of 311312314 is 413213113.

311312314 = 2090² + 2091² + ... + 2158².

It is a junction number, because it is equal to n+sod(n) for n = 311312291 and 311312300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9739 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (30532968).

Almost surely, 2^311312314 is an apocalyptic number.

311312314 is a deficient number, since it is larger than the sum of its proper divisors (177215174).

311312314 is a wasteful number, since it uses less digits than its factorization.

311312314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469.

The product of its digits is 216, while the sum is 19.

The square root of 311312314 is about 17644.0447176944. The cubic root of 311312314 is about 677.7436125054.

Adding to 311312314 its reverse (413213113), we get a palindrome (724525427).

The spelling of 311312314 in words is "three hundred eleven million, three hundred twelve thousand, three hundred fourteen".