318013879 has 2 divisors, whose sum is σ = 318013880. Its totient is φ = 318013878.

The previous prime is 318013859. The next prime is 318013889. The reversal of 318013879 is 978310813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318013879 - 2¹¹ = 318011831 is a prime.

It is a super-2 number, since 2×318013879² = 202265654473253282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318013859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159006939 + 159006940.

It is an arithmetic number, because the mean of its divisors is an integer number (159006940).

Almost surely, 2^318013879 is an apocalyptic number.

318013879 is a deficient number, since it is larger than the sum of its proper divisors (1).

318013879 is an equidigital number, since it uses as much as digits as its factorization.

318013879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 318013879 is about 17832.9436437174. The cubic root of 318013879 is about 682.5723495782.

The spelling of 318013879 in words is "three hundred eighteen million, thirteen thousand, eight hundred seventy-nine".