314317391 has 2 divisors, whose sum is σ = 314317392. Its totient is φ = 314317390.

The previous prime is 314317373. The next prime is 314317397. The reversal of 314317391 is 193713413.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (193713413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314317391 - 2¹⁴ = 314301007 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 (314317397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157158695 + 157158696.

It is an arithmetic number, because the mean of its divisors is an integer number (157158696).

Almost surely, 2^314317391 is an apocalyptic number.

314317391 is a deficient number, since it is larger than the sum of its proper divisors (1).

314317391 is an equidigital number, since it uses as much as digits as its factorization.

314317391 is an odious number, because the sum of its binary digits is odd.

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

The square root of 314317391 is about 17728.9985898809. The cubic root of 314317391 is about 679.9173710153.

The spelling of 314317391 in words is "three hundred fourteen million, three hundred seventeen thousand, three hundred ninety-one".