311079982977 has 28 divisors (see below), whose sum is σ = 490954352080. Its totient is φ = 196471559448.

The previous prime is 311079982957. The next prime is 311079983009. The reversal of 311079982977 is 779289970113.

It is a happy number.

It is not a de Polignac number, because 311079982977 - 2²⁰ = 311078934401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311079982957) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11215663 + ... + 11243364.

Almost surely, 2^311079982977 is an apocalyptic number.

It is an amenable number.

311079982977 is a deficient number, since it is larger than the sum of its proper divisors (179874369103).

311079982977 is an equidigital number, since it uses as much as digits as its factorization.

311079982977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459064 (or 22459049 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 63.

The spelling of 311079982977 in words is "three hundred eleven billion, seventy-nine million, nine hundred eighty-two thousand, nine hundred seventy-seven".