318744311 has 2 divisors, whose sum is σ = 318744312. Its totient is φ = 318744310.

The previous prime is 318744299. The next prime is 318744313. The reversal of 318744311 is 113447813.

It is a strong prime.

It is an emirp because it is prime and its reverse (113447813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318744311 - 2¹⁸ = 318482167 is a prime.

Together with 318744313, 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 (318744313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159372155 + 159372156.

It is an arithmetic number, because the mean of its divisors is an integer number (159372156).

Almost surely, 2^318744311 is an apocalyptic number.

318744311 is a deficient number, since it is larger than the sum of its proper divisors (1).

318744311 is an equidigital number, since it uses as much as digits as its factorization.

318744311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 318744311 is about 17853.4117467783. The cubic root of 318744311 is about 683.0945400539.

The spelling of 318744311 in words is "three hundred eighteen million, seven hundred forty-four thousand, three hundred eleven".