111313310309 has 2 divisors, whose sum is σ = 111313310310. Its totient is φ = 111313310308.

The previous prime is 111313310299. The next prime is 111313310363. The reversal of 111313310309 is 903013313111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80230562500 + 31082747809 = 283250^2 + 176303^2 .

It is a cyclic number.

It is not a de Polignac number, because 111313310309 - 2⁴ = 111313310293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111313310399) 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, 55656655154 + 55656655155.

It is an arithmetic number, because the mean of its divisors is an integer number (55656655155).

Almost surely, 2^111313310309 is an apocalyptic number.

It is an amenable number.

111313310309 is a deficient number, since it is larger than the sum of its proper divisors (1).

111313310309 is an equidigital number, since it uses as much as digits as its factorization.

111313310309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 26.

The spelling of 111313310309 in words is "one hundred eleven billion, three hundred thirteen million, three hundred ten thousand, three hundred nine".