313122016937 has 2 divisors, whose sum is σ = 313122016938. Its totient is φ = 313122016936.

The previous prime is 313122016919. The next prime is 313122016973. The reversal of 313122016937 is 739610221313.

Together with next prime (313122016973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312700166416 + 421850521 = 559196^2 + 20539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313122016937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313122016937.

It is not a weakly prime, because it can be changed into another prime (313122012937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561008468 + 156561008469.

It is an arithmetic number, because the mean of its divisors is an integer number (156561008469).

Almost surely, 2^313122016937 is an apocalyptic number.

It is an amenable number.

313122016937 is a deficient number, since it is larger than the sum of its proper divisors (1).

313122016937 is an equidigital number, since it uses as much as digits as its factorization.

313122016937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 313122016937 in words is "three hundred thirteen billion, one hundred twenty-two million, sixteen thousand, nine hundred thirty-seven".