316096321 has 4 divisors (see below), whose sum is σ = 316992132. Its totient is φ = 315200512.

The previous prime is 316096309. The next prime is 316096349. The reversal of 316096321 is 123690613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123690613 = 233 ⋅530861.

It can be written as a sum of positive squares in 2 ways, for example, as 180606721 + 135489600 = 13439^2 + 11640^2 .

It is a cyclic number.

It is not a de Polignac number, because 316096321 - 2¹⁷ = 315965249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316090321) 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, 447376 + ... + 448081.

It is an arithmetic number, because the mean of its divisors is an integer number (79248033).

Almost surely, 2^316096321 is an apocalyptic number.

It is an amenable number.

316096321 is a deficient number, since it is larger than the sum of its proper divisors (895811).

316096321 is an equidigital number, since it uses as much as digits as its factorization.

316096321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895810.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 316096321 is about 17779.0978680022. The cubic root of 316096321 is about 681.1976594078.

The spelling of 316096321 in words is "three hundred sixteen million, ninety-six thousand, three hundred twenty-one".