316314993 has 4 divisors (see below), whose sum is σ = 421753328. Its totient is φ = 210876660.

The previous prime is 316314967. The next prime is 316314997. The reversal of 316314993 is 399413613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 316314993 - 2⁸ = 316314737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316314997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52719163 + ... + 52719168.

It is an arithmetic number, because the mean of its divisors is an integer number (105438332).

Almost surely, 2^316314993 is an apocalyptic number.

It is an amenable number.

316314993 is a deficient number, since it is larger than the sum of its proper divisors (105438335).

316314993 is a wasteful number, since it uses less digits than its factorization.

316314993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105438334.

The product of its digits is 52488, while the sum is 39.

The square root of 316314993 is about 17785.2464981512. The cubic root of 316314993 is about 681.3547049121.

The spelling of 316314993 in words is "three hundred sixteen million, three hundred fourteen thousand, nine hundred ninety-three".