18314113 has 2 divisors, whose sum is σ = 18314114. Its totient is φ = 18314112.

The previous prime is 18314099. The next prime is 18314129. The reversal of 18314113 is 31141381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 6801664 = 3393^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 18314113 - 2⁹ = 18313601 is a prime.

It is not a weakly prime, because it can be changed into another prime (18314143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157056 + 9157057.

It is an arithmetic number, because the mean of its divisors is an integer number (9157057).

Almost surely, 2^18314113 is an apocalyptic number.

It is an amenable number.

18314113 is a deficient number, since it is larger than the sum of its proper divisors (1).

18314113 is an equidigital number, since it uses as much as digits as its factorization.

18314113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 18314113 is about 4279.4991529383. The cubic root of 18314113 is about 263.5898177582.

Adding to 18314113 its reverse (31141381), we get a palindrome (49455494).

The spelling of 18314113 in words is "eighteen million, three hundred fourteen thousand, one hundred thirteen".