316312349 has 2 divisors, whose sum is σ = 316312350. Its totient is φ = 316312348.

The previous prime is 316312333. The next prime is 316312351. The reversal of 316312349 is 943213613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250588900 + 65723449 = 15830^2 + 8107^2 .

It is a cyclic number.

It is not a de Polignac number, because 316312349 - 2⁴ = 316312333 is a prime.

Together with 316312351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316312369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158156174 + 158156175.

It is an arithmetic number, because the mean of its divisors is an integer number (158156175).

Almost surely, 2^316312349 is an apocalyptic number.

It is an amenable number.

316312349 is a deficient number, since it is larger than the sum of its proper divisors (1).

316312349 is an equidigital number, since it uses as much as digits as its factorization.

316312349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 316312349 is about 17785.1721667236. The cubic root of 316312349 is about 681.3528064807.

The spelling of 316312349 in words is "three hundred sixteen million, three hundred twelve thousand, three hundred forty-nine".