17818000313 has 2 divisors, whose sum is σ = 17818000314. Its totient is φ = 17818000312.

The previous prime is 17818000307. The next prime is 17818000327. The reversal of 17818000313 is 31300081871.

17818000313 = 94387² + 94388².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8909094544 + 8908905769 = 94388^2 + 94387^2 .

It is a cyclic number.

It is not a de Polignac number, because 17818000313 - 2¹⁴ = 17817983929 is a prime.

It is a super-2 number, since 2×17818000313² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17818000313.

It is not a weakly prime, because it can be changed into another prime (17818000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8909000156 + 8909000157.

It is an arithmetic number, because the mean of its divisors is an integer number (8909000157).

Almost surely, 2^17818000313 is an apocalyptic number.

17818000313 is the 94388-th centered square number.

It is an amenable number.

17818000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

17818000313 is an equidigital number, since it uses as much as digits as its factorization.

17818000313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 17818000313 in words is "seventeen billion, eight hundred eighteen million, three hundred thirteen", and thus it is an aban number.