316106686481 has 2 divisors, whose sum is σ = 316106686482. Its totient is φ = 316106686480.

The previous prime is 316106686451. The next prime is 316106686543. The reversal of 316106686481 is 184686601613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195916890625 + 120189795856 = 442625^2 + 346684^2 .

It is a cyclic number.

It is not a de Polignac number, because 316106686481 - 2⁶ = 316106686417 is a prime.

It is a super-2 number, since 2×316106686481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316106686411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158053343240 + 158053343241.

It is an arithmetic number, because the mean of its divisors is an integer number (158053343241).

Almost surely, 2^316106686481 is an apocalyptic number.

It is an amenable number.

316106686481 is a deficient number, since it is larger than the sum of its proper divisors (1).

316106686481 is an equidigital number, since it uses as much as digits as its factorization.

316106686481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 316106686481 in words is "three hundred sixteen billion, one hundred six million, six hundred eighty-six thousand, four hundred eighty-one".