311413879 has 16 divisors (see below), whose sum is σ = 368179200. Its totient is φ = 257755680.

The previous prime is 311413873. The next prime is 311413889. The reversal of 311413879 is 978314113.

It is not a de Polignac number, because 311413879 - 2⁵ = 311413847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311413873) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 120897 + ... + 123445.

It is an arithmetic number, because the mean of its divisors is an integer number (23011200).

Almost surely, 2^311413879 is an apocalyptic number.

311413879 is a deficient number, since it is larger than the sum of its proper divisors (56765321).

311413879 is a wasteful number, since it uses less digits than its factorization.

311413879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its digits is 18144, while the sum is 37.

The square root of 311413879 is about 17646.9226495726. The cubic root of 311413879 is about 677.8173086432.

The spelling of 311413879 in words is "three hundred eleven million, four hundred thirteen thousand, eight hundred seventy-nine".