313011313249 has 2 divisors, whose sum is σ = 313011313250. Its totient is φ = 313011313248.

The previous prime is 313011313171. The next prime is 313011313261. The reversal of 313011313249 is 942313110313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202079019024 + 110932294225 = 449532^2 + 333065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313011313249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313011313249.

It is not a weakly prime, because it can be changed into another prime (313011313289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156505656624 + 156505656625.

It is an arithmetic number, because the mean of its divisors is an integer number (156505656625).

Almost surely, 2^313011313249 is an apocalyptic number.

It is an amenable number.

313011313249 is a deficient number, since it is larger than the sum of its proper divisors (1).

313011313249 is an equidigital number, since it uses as much as digits as its factorization.

313011313249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 313011313249 in words is "three hundred thirteen billion, eleven million, three hundred thirteen thousand, two hundred forty-nine".