313777097 has 2 divisors, whose sum is σ = 313777098. Its totient is φ = 313777096.

The previous prime is 313777081. The next prime is 313777103. The reversal of 313777097 is 790777313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287777296 + 25999801 = 16964^2 + 5099^2 .

It is an emirp because it is prime and its reverse (790777313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313777097 - 2⁴ = 313777081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313777067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156888548 + 156888549.

It is an arithmetic number, because the mean of its divisors is an integer number (156888549).

Almost surely, 2^313777097 is an apocalyptic number.

It is an amenable number.

313777097 is a deficient number, since it is larger than the sum of its proper divisors (1).

313777097 is an equidigital number, since it uses as much as digits as its factorization.

313777097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194481, while the sum is 44.

The square root of 313777097 is about 17713.7544580476. The cubic root of 313777097 is about 679.5275676132.

The spelling of 313777097 in words is "three hundred thirteen million, seven hundred seventy-seven thousand, ninety-seven".