316613243 has 2 divisors, whose sum is σ = 316613244. Its totient is φ = 316613242.

The previous prime is 316613201. The next prime is 316613273. The reversal of 316613243 is 342316613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316613243 - 2⁸ = 316612987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (316613273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158306621 + 158306622.

It is an arithmetic number, because the mean of its divisors is an integer number (158306622).

Almost surely, 2^316613243 is an apocalyptic number.

316613243 is a deficient number, since it is larger than the sum of its proper divisors (1).

316613243 is an equidigital number, since it uses as much as digits as its factorization.

316613243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 316613243 is about 17793.6292812905. The cubic root of 316613243 is about 681.5687849791.

Adding to 316613243 its reverse (342316613), we get a palindrome (658929856).

The spelling of 316613243 in words is "three hundred sixteen million, six hundred thirteen thousand, two hundred forty-three".