311690339017 has 2 divisors, whose sum is σ = 311690339018. Its totient is φ = 311690339016.

The previous prime is 311690338979. The next prime is 311690339101. The reversal of 311690339017 is 710933096113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159044630416 + 152645708601 = 398804^2 + 390699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311690339017 is a prime.

It is not a weakly prime, because it can be changed into another prime (311690369017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155845169508 + 155845169509.

It is an arithmetic number, because the mean of its divisors is an integer number (155845169509).

Almost surely, 2^311690339017 is an apocalyptic number.

It is an amenable number.

311690339017 is a deficient number, since it is larger than the sum of its proper divisors (1).

311690339017 is an equidigital number, since it uses as much as digits as its factorization.

311690339017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 43.

The spelling of 311690339017 in words is "three hundred eleven billion, six hundred ninety million, three hundred thirty-nine thousand, seventeen".