111340309 has 16 divisors (see below), whose sum is σ = 121766400. Its totient is φ = 101477376.

The previous prime is 111340291. The next prime is 111340319. The reversal of 111340309 is 903043111.

It is a cyclic number.

It is not a de Polignac number, because 111340309 - 2⁷ = 111340181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111340309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111340319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51637 + ... + 53749.

It is an arithmetic number, because the mean of its divisors is an integer number (7610400).

Almost surely, 2^111340309 is an apocalyptic number.

It is an amenable number.

111340309 is a deficient number, since it is larger than the sum of its proper divisors (10426091).

111340309 is a wasteful number, since it uses less digits than its factorization.

111340309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 111340309 is about 10551.7917435855. The cubic root of 111340309 is about 481.0801902947.

The spelling of 111340309 in words is "one hundred eleven million, three hundred forty thousand, three hundred nine".