316327891 has 8 divisors (see below), whose sum is σ = 365384304. Its totient is φ = 270654720.

The previous prime is 316327877. The next prime is 316327939. The reversal of 316327891 is 198723613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316327891 - 2¹⁷ = 316196819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316327811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845610 + ... + 845983.

It is an arithmetic number, because the mean of its divisors is an integer number (45673038).

Almost surely, 2^316327891 is an apocalyptic number.

316327891 is a deficient number, since it is larger than the sum of its proper divisors (49056413).

316327891 is a wasteful number, since it uses less digits than its factorization.

316327891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691621.

The product of its digits is 54432, while the sum is 40.

The square root of 316327891 is about 17785.6090983694. The cubic root of 316327891 is about 681.3639657161.

The spelling of 316327891 in words is "three hundred sixteen million, three hundred twenty-seven thousand, eight hundred ninety-one".