31113300199 has 2 divisors, whose sum is σ = 31113300200. Its totient is φ = 31113300198.

The previous prime is 31113300187. The next prime is 31113300263. The reversal of 31113300199 is 99100331113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31113300199 - 2¹⁵ = 31113267431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31113300199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113300149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556650099 + 15556650100.

It is an arithmetic number, because the mean of its divisors is an integer number (15556650100).

Almost surely, 2^31113300199 is an apocalyptic number.

31113300199 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113300199 is an equidigital number, since it uses as much as digits as its factorization.

31113300199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 31.

The spelling of 31113300199 in words is "thirty-one billion, one hundred thirteen million, three hundred thousand, one hundred ninety-nine".