313471157 has 2 divisors, whose sum is σ = 313471158. Its totient is φ = 313471156.

The previous prime is 313471111. The next prime is 313471183. The reversal of 313471157 is 751174313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169806961 + 143664196 = 13031^2 + 11986^2 .

It is a cyclic number.

It is not a de Polignac number, because 313471157 - 2⁸ = 313470901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313471057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156735578 + 156735579.

It is an arithmetic number, because the mean of its divisors is an integer number (156735579).

Almost surely, 2^313471157 is an apocalyptic number.

It is an amenable number.

313471157 is a deficient number, since it is larger than the sum of its proper divisors (1).

313471157 is an equidigital number, since it uses as much as digits as its factorization.

313471157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 313471157 is about 17705.1166898160. The cubic root of 313471157 is about 679.3066440446.

The spelling of 313471157 in words is "three hundred thirteen million, four hundred seventy-one thousand, one hundred fifty-seven".