311420977 has 16 divisors (see below), whose sum is σ = 377644032. Its totient is φ = 250698240.

The previous prime is 311420969. The next prime is 311420987. The reversal of 311420977 is 779024113.

It is a cyclic number.

It is not a de Polignac number, because 311420977 - 2³ = 311420969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311420987) 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, 59488 + ... + 64510.

It is an arithmetic number, because the mean of its divisors is an integer number (23602752).

Almost surely, 2^311420977 is an apocalyptic number.

It is an amenable number.

311420977 is a deficient number, since it is larger than the sum of its proper divisors (66223055).

311420977 is a wasteful number, since it uses less digits than its factorization.

311420977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 311420977 is about 17647.1237599786. The cubic root of 311420977 is about 677.8224583930.

The spelling of 311420977 in words is "three hundred eleven million, four hundred twenty thousand, nine hundred seventy-seven".