316329329 has 2 divisors, whose sum is σ = 316329330. Its totient is φ = 316329328.

The previous prime is 316329323. The next prime is 316329331. The reversal of 316329329 is 923923613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316306225 + 23104 = 17785^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 316329329 - 2⁴ = 316329313 is a prime.

Together with 316329331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 316329292 and 316329301.

It is not a weakly prime, because it can be changed into another prime (316329323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158164664 + 158164665.

It is an arithmetic number, because the mean of its divisors is an integer number (158164665).

Almost surely, 2^316329329 is an apocalyptic number.

It is an amenable number.

316329329 is a deficient number, since it is larger than the sum of its proper divisors (1).

316329329 is an equidigital number, since it uses as much as digits as its factorization.

316329329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The square root of 316329329 is about 17785.6495242653. The cubic root of 316329329 is about 681.3649981890.

The spelling of 316329329 in words is "three hundred sixteen million, three hundred twenty-nine thousand, three hundred twenty-nine".