318304879 has 2 divisors, whose sum is σ = 318304880. Its totient is φ = 318304878.

The previous prime is 318304871. The next prime is 318304901. The reversal of 318304879 is 978403813.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (978403813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318304879 - 2³ = 318304871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318304871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159152439 + 159152440.

It is an arithmetic number, because the mean of its divisors is an integer number (159152440).

Almost surely, 2^318304879 is an apocalyptic number.

318304879 is a deficient number, since it is larger than the sum of its proper divisors (1).

318304879 is an equidigital number, since it uses as much as digits as its factorization.

318304879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 318304879 is about 17841.1008348700. The cubic root of 318304879 is about 682.7804830510.

The spelling of 318304879 in words is "three hundred eighteen million, three hundred four thousand, eight hundred seventy-nine".