313112112223177 has 2 divisors, whose sum is σ = 313112112223178. Its totient is φ = 313112112223176.

The previous prime is 313112112223153. The next prime is 313112112223193. The reversal of 313112112223177 is 771322211211313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224351388116496 + 88760724106681 = 14978364^2 + 9421291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313112112223177 is a prime.

It is not a weakly prime, because it can be changed into another prime (313112112223117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156556056111588 + 156556056111589.

It is an arithmetic number, because the mean of its divisors is an integer number (156556056111589).

Almost surely, 2^{313112112223177} is an apocalyptic number.

It is an amenable number.

313112112223177 is a deficient number, since it is larger than the sum of its proper divisors (1).

313112112223177 is an equidigital number, since it uses as much as digits as its factorization.

313112112223177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The spelling of 313112112223177 in words is "three hundred thirteen trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-three thousand, one hundred seventy-seven".