315221314763 has 2 divisors, whose sum is σ = 315221314764. Its totient is φ = 315221314762.

The previous prime is 315221314739. The next prime is 315221314769. The reversal of 315221314763 is 367413122513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315221314763 - 2⁶ = 315221314699 is a prime.

It is not a weakly prime, because it can be changed into another prime (315221314769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157610657381 + 157610657382.

It is an arithmetic number, because the mean of its divisors is an integer number (157610657382).

Almost surely, 2^315221314763 is an apocalyptic number.

315221314763 is a deficient number, since it is larger than the sum of its proper divisors (1).

315221314763 is an equidigital number, since it uses as much as digits as its factorization.

315221314763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The spelling of 315221314763 in words is "three hundred fifteen billion, two hundred twenty-one million, three hundred fourteen thousand, seven hundred sixty-three".