316374991 has 2 divisors, whose sum is σ = 316374992. Its totient is φ = 316374990.

The previous prime is 316374953. The next prime is 316375021. The reversal of 316374991 is 199473613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316374991 - 2¹¹ = 316372943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316374931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158187495 + 158187496.

It is an arithmetic number, because the mean of its divisors is an integer number (158187496).

Almost surely, 2^316374991 is an apocalyptic number.

316374991 is a deficient number, since it is larger than the sum of its proper divisors (1).

316374991 is an equidigital number, since it uses as much as digits as its factorization.

316374991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 316374991 is about 17786.9331533010. The cubic root of 316374991 is about 681.3977815246.

The spelling of 316374991 in words is "three hundred sixteen million, three hundred seventy-four thousand, nine hundred ninety-one".