313065663161 has 2 divisors, whose sum is σ = 313065663162. Its totient is φ = 313065663160.

The previous prime is 313065663107. The next prime is 313065663181. The reversal of 313065663161 is 161366560313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264138435136 + 48927228025 = 513944^2 + 221195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313065663161 is a prime.

It is not a weakly prime, because it can be changed into another prime (313065663101) 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, 156532831580 + 156532831581.

It is an arithmetic number, because the mean of its divisors is an integer number (156532831581).

Almost surely, 2^313065663161 is an apocalyptic number.

It is an amenable number.

313065663161 is a deficient number, since it is larger than the sum of its proper divisors (1).

313065663161 is an equidigital number, since it uses as much as digits as its factorization.

313065663161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 313065663161 in words is "three hundred thirteen billion, sixty-five million, six hundred sixty-three thousand, one hundred sixty-one".