109399303 has 4 divisors (see below), whose sum is σ = 117814648. Its totient is φ = 100983960.

The previous prime is 109399259. The next prime is 109399307. The reversal of 109399303 is 303993901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109399303 - 2¹³ = 109391111 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 (109399307) 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, 4207653 + ... + 4207678.

It is an arithmetic number, because the mean of its divisors is an integer number (29453662).

Almost surely, 2^109399303 is an apocalyptic number.

109399303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

109399303 is a deficient number, since it is larger than the sum of its proper divisors (8415345).

109399303 is an equidigital number, since it uses as much as digits as its factorization.

109399303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8415344.

The product of its (nonzero) digits is 19683, while the sum is 37.

The square root of 109399303 is about 10459.4121727753. The cubic root of 109399303 is about 478.2682139968.

The spelling of 109399303 in words is "one hundred nine million, three hundred ninety-nine thousand, three hundred three".