313689093161 has 2 divisors, whose sum is σ = 313689093162. Its totient is φ = 313689093160.

The previous prime is 313689093077. The next prime is 313689093167. The reversal of 313689093161 is 161390986313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305477290000 + 8211803161 = 552700^2 + 90619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313689093161 is a prime.

It is not a weakly prime, because it can be changed into another prime (313689093167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156844546580 + 156844546581.

It is an arithmetic number, because the mean of its divisors is an integer number (156844546581).

Almost surely, 2^313689093161 is an apocalyptic number.

It is an amenable number.

313689093161 is a deficient number, since it is larger than the sum of its proper divisors (1).

313689093161 is an equidigital number, since it uses as much as digits as its factorization.

313689093161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 313689093161 in words is "three hundred thirteen billion, six hundred eighty-nine million, ninety-three thousand, one hundred sixty-one".