313420339961 has 2 divisors, whose sum is σ = 313420339962. Its totient is φ = 313420339960.

The previous prime is 313420339943. The next prime is 313420340033. The reversal of 313420339961 is 169933024313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255182584336 + 58237755625 = 505156^2 + 241325^2 .

It is a cyclic number.

It is not a de Polignac number, because 313420339961 - 2²⁶ = 313353231097 is a prime.

It is not a weakly prime, because it can be changed into another prime (313420339931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156710169980 + 156710169981.

It is an arithmetic number, because the mean of its divisors is an integer number (156710169981).

Almost surely, 2^313420339961 is an apocalyptic number.

It is an amenable number.

313420339961 is a deficient number, since it is larger than the sum of its proper divisors (1).

313420339961 is an equidigital number, since it uses as much as digits as its factorization.

313420339961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 313420339961 in words is "three hundred thirteen billion, four hundred twenty million, three hundred thirty-nine thousand, nine hundred sixty-one".