113003309 has 4 divisors (see below), whose sum is σ = 113027616. Its totient is φ = 112979004.

The previous prime is 113003299. The next prime is 113003311. The reversal of 113003309 is 903300311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 903300311 = 191 ⋅4729321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113003309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2759 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (28256904).

Almost surely, 2^113003309 is an apocalyptic number.

It is an amenable number.

113003309 is a deficient number, since it is larger than the sum of its proper divisors (24307).

113003309 is an equidigital number, since it uses as much as digits as its factorization.

113003309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 113003309 is about 10630.3014538629. The cubic root of 113003309 is about 483.4635317365.

The spelling of 113003309 in words is "one hundred thirteen million, three thousand, three hundred nine".