316310091 has 4 divisors (see below), whose sum is σ = 421746792. Its totient is φ = 210873392.

The previous prime is 316310051. The next prime is 316310117. The reversal of 316310091 is 190013613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190013613 = 3 ⋅63337871.

It is a cyclic number.

It is not a de Polignac number, because 316310091 - 2⁷ = 316309963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316310051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52718346 + ... + 52718351.

It is an arithmetic number, because the mean of its divisors is an integer number (105436698).

Almost surely, 2^316310091 is an apocalyptic number.

316310091 is a deficient number, since it is larger than the sum of its proper divisors (105436701).

316310091 is a wasteful number, since it uses less digits than its factorization.

316310091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105436700.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 316310091 is about 17785.1086867638. The cubic root of 316310091 is about 681.3511851948.

The spelling of 316310091 in words is "three hundred sixteen million, three hundred ten thousand, ninety-one".