316333758721 has 2 divisors, whose sum is σ = 316333758722. Its totient is φ = 316333758720.

The previous prime is 316333758701. The next prime is 316333758731. The reversal of 316333758721 is 127857333613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172005949696 + 144327809025 = 414736^2 + 379905^2 .

It is a cyclic number.

It is not a de Polignac number, because 316333758721 - 2¹⁹ = 316333234433 is a prime.

It is not a weakly prime, because it can be changed into another prime (316333758701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158166879360 + 158166879361.

It is an arithmetic number, because the mean of its divisors is an integer number (158166879361).

Almost surely, 2^316333758721 is an apocalyptic number.

It is an amenable number.

316333758721 is a deficient number, since it is larger than the sum of its proper divisors (1).

316333758721 is an equidigital number, since it uses as much as digits as its factorization.

316333758721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 49.

The spelling of 316333758721 in words is "three hundred sixteen billion, three hundred thirty-three million, seven hundred fifty-eight thousand, seven hundred twenty-one".