111313009 has 8 divisors (see below), whose sum is σ = 113054760. Its totient is φ = 109584000.

The previous prime is 111313003. The next prime is 111313051. The reversal of 111313009 is 900313111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4397409 + 106915600 = 2097^2 + 10340^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111313009 - 2⁵ = 111312977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15237 + ... + 21325.

It is an arithmetic number, because the mean of its divisors is an integer number (14131845).

Almost surely, 2^111313009 is an apocalyptic number.

It is an amenable number.

111313009 is a deficient number, since it is larger than the sum of its proper divisors (1741751).

111313009 is a wasteful number, since it uses less digits than its factorization.

111313009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 111313009 is about 10550.4980451162. The cubic root of 111313009 is about 481.0408677203.

The spelling of 111313009 in words is "one hundred eleven million, three hundred thirteen thousand, nine".