316797121 has 4 divisors (see below), whose sum is σ = 317754544. Its totient is φ = 315839700.

The previous prime is 316797113. The next prime is 316797133. The reversal of 316797121 is 121797613.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121797613 = 7 ⋅17399659.

It is a cyclic number.

It is not a de Polignac number, because 316797121 - 2³ = 316797113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316797181) 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, 478215 + ... + 478876.

It is an arithmetic number, because the mean of its divisors is an integer number (79438636).

Almost surely, 2^316797121 is an apocalyptic number.

It is an amenable number.

316797121 is a deficient number, since it is larger than the sum of its proper divisors (957423).

316797121 is an equidigital number, since it uses as much as digits as its factorization.

316797121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957422.

The product of its digits is 15876, while the sum is 37.

The square root of 316797121 is about 17798.7954929540. The cubic root of 316797121 is about 681.7007032886.

The spelling of 316797121 in words is "three hundred sixteen million, seven hundred ninety-seven thousand, one hundred twenty-one".