313396177 has 2 divisors, whose sum is σ = 313396178. Its totient is φ = 313396176.

The previous prime is 313396157. The next prime is 313396217. The reversal of 313396177 is 771693313.

It is an a-pointer prime, because the next prime (313396217) can be obtained adding 313396177 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277922241 + 35473936 = 16671^2 + 5956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313396177 is a prime.

It is not a weakly prime, because it can be changed into another prime (313396157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156698088 + 156698089.

It is an arithmetic number, because the mean of its divisors is an integer number (156698089).

Almost surely, 2^313396177 is an apocalyptic number.

It is an amenable number.

313396177 is a deficient number, since it is larger than the sum of its proper divisors (1).

313396177 is an equidigital number, since it uses as much as digits as its factorization.

313396177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 40.

The square root of 313396177 is about 17702.9990961984. Note that the first 3 decimals coincide. The cubic root of 313396177 is about 679.2524780045.

The spelling of 313396177 in words is "three hundred thirteen million, three hundred ninety-six thousand, one hundred seventy-seven".