311206797079 has 4 divisors (see below), whose sum is σ = 311355915984. Its totient is φ = 311057678176.

The previous prime is 311206797053. The next prime is 311206797091. The reversal of 311206797079 is 970797602113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311206797079 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 (311206797479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74556322 + ... + 74560495.

It is an arithmetic number, because the mean of its divisors is an integer number (77838978996).

Almost surely, 2^311206797079 is an apocalyptic number.

311206797079 is a deficient number, since it is larger than the sum of its proper divisors (149118905).

311206797079 is a wasteful number, since it uses less digits than its factorization.

311206797079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149118904.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The spelling of 311206797079 in words is "three hundred eleven billion, two hundred six million, seven hundred ninety-seven thousand, seventy-nine".