113200309 has 4 divisors (see below), whose sum is σ = 119158240. Its totient is φ = 107242380.

The previous prime is 113200277. The next prime is 113200327. The reversal of 113200309 is 903002311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113200309 - 2⁵ = 113200277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5957911 = 113200309 / (1 + 1 + 3 + 2 + 0 + 0 + 3 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2978937 + ... + 2978974.

It is an arithmetic number, because the mean of its divisors is an integer number (29789560).

Almost surely, 2^113200309 is an apocalyptic number.

113200309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113200309 is a deficient number, since it is larger than the sum of its proper divisors (5957931).

113200309 is an equidigital number, since it uses as much as digits as its factorization.

113200309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957930.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 113200309 is about 10639.5633838988. The cubic root of 113200309 is about 483.7443111947.

The spelling of 113200309 in words is "one hundred thirteen million, two hundred thousand, three hundred nine".