316309827161 has 2 divisors, whose sum is σ = 316309827162. Its totient is φ = 316309827160.

The previous prime is 316309827133. The next prime is 316309827193. The reversal of 316309827161 is 161728903613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171810250000 + 144499577161 = 414500^2 + 380131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316309827161 is a prime.

It is not a weakly prime, because it can be changed into another prime (316309827101) 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, 158154913580 + 158154913581.

It is an arithmetic number, because the mean of its divisors is an integer number (158154913581).

Almost surely, 2^316309827161 is an apocalyptic number.

It is an amenable number.

316309827161 is a deficient number, since it is larger than the sum of its proper divisors (1).

316309827161 is an equidigital number, since it uses as much as digits as its factorization.

316309827161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 316309827161 in words is "three hundred sixteen billion, three hundred nine million, eight hundred twenty-seven thousand, one hundred sixty-one".