318040319 has 2 divisors, whose sum is σ = 318040320. Its totient is φ = 318040318.

The previous prime is 318040279. The next prime is 318040367. The reversal of 318040319 is 913040813.

It is a weak prime.

It is an emirp because it is prime and its reverse (913040813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318040319 is a prime.

It is a super-2 number, since 2×318040319² = 202299289019243522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 318040291 and 318040300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318045319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159020159 + 159020160.

It is an arithmetic number, because the mean of its divisors is an integer number (159020160).

Almost surely, 2^318040319 is an apocalyptic number.

318040319 is a deficient number, since it is larger than the sum of its proper divisors (1).

318040319 is an equidigital number, since it uses as much as digits as its factorization.

318040319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 318040319 is about 17833.6849529199. The cubic root of 318040319 is about 682.5912656423.

The spelling of 318040319 in words is "three hundred eighteen million, forty thousand, three hundred nineteen".