313443262049 has 2 divisors, whose sum is σ = 313443262050. Its totient is φ = 313443262048.

The previous prime is 313443262037. The next prime is 313443262057. The reversal of 313443262049 is 940262344313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291124993600 + 22318268449 = 539560^2 + 149393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313443262049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313443261997 and 313443262015.

It is not a weakly prime, because it can be changed into another prime (313443262019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156721631024 + 156721631025.

It is an arithmetic number, because the mean of its divisors is an integer number (156721631025).

Almost surely, 2^313443262049 is an apocalyptic number.

It is an amenable number.

313443262049 is a deficient number, since it is larger than the sum of its proper divisors (1).

313443262049 is an equidigital number, since it uses as much as digits as its factorization.

313443262049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 313443262049 in words is "three hundred thirteen billion, four hundred forty-three million, two hundred sixty-two thousand, forty-nine".