314391317 has 2 divisors, whose sum is σ = 314391318. Its totient is φ = 314391316.

The previous prime is 314391313. The next prime is 314391379. The reversal of 314391317 is 713193413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297010756 + 17380561 = 17234^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 314391317 - 2² = 314391313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314391313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157195658 + 157195659.

It is an arithmetic number, because the mean of its divisors is an integer number (157195659).

Almost surely, 2^314391317 is an apocalyptic number.

It is an amenable number.

314391317 is a deficient number, since it is larger than the sum of its proper divisors (1).

314391317 is an equidigital number, since it uses as much as digits as its factorization.

314391317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 314391317 is about 17731.0833566367. The cubic root of 314391317 is about 679.9706713129.

The spelling of 314391317 in words is "three hundred fourteen million, three hundred ninety-one thousand, three hundred seventeen".