313856091 has 24 divisors (see below), whose sum is σ = 500891040. Its totient is φ = 188365056.

The previous prime is 313856071. The next prime is 313856099. The reversal of 313856091 is 190658313.

It is a happy number.

313856091 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 560 + 91 = 666.

It is not a de Polignac number, because 313856091 - 2⁷ = 313855963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313856099) 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 23 ways as a sum of consecutive naturals, for example, 41076 + ... + 48113.

It is an arithmetic number, because the mean of its divisors is an integer number (20870460).

Almost surely, 2^313856091 is an apocalyptic number.

313856091 is a deficient number, since it is larger than the sum of its proper divisors (187034949).

313856091 is a wasteful number, since it uses less digits than its factorization.

313856091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89235 (or 89232 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 313856091 is about 17715.9840539553. The cubic root of 313856091 is about 679.5845869615.

The spelling of 313856091 in words is "three hundred thirteen million, eight hundred fifty-six thousand, ninety-one".