316340191 has 2 divisors, whose sum is σ = 316340192. Its totient is φ = 316340190.

The previous prime is 316340179. The next prime is 316340203. The reversal of 316340191 is 191043613.

It is a balanced prime because it is at equal distance from previous prime (316340179) and next prime (316340203).

It is a cyclic number.

It is not a de Polignac number, because 316340191 - 2¹³ = 316331999 is a prime.

It is a super-2 number, since 2×316340191² = 200142232883832962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316340891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158170095 + 158170096.

It is an arithmetic number, because the mean of its divisors is an integer number (158170096).

Almost surely, 2^316340191 is an apocalyptic number.

316340191 is a deficient number, since it is larger than the sum of its proper divisors (1).

316340191 is an equidigital number, since it uses as much as digits as its factorization.

316340191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 316340191 is about 17785.9548801857. The cubic root of 316340191 is about 681.3727969199.

The spelling of 316340191 in words is "three hundred sixteen million, three hundred forty thousand, one hundred ninety-one".