111304103 has 4 divisors (see below), whose sum is σ = 114312360. Its totient is φ = 108295848.

The previous prime is 111304097. The next prime is 111304129. The reversal of 111304103 is 301403111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301403111 = 31 ⋅9722681.

It is a cyclic number.

It is not a de Polignac number, because 111304103 - 2⁴ = 111304087 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 (111304133) 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, 1504073 + ... + 1504146.

It is an arithmetic number, because the mean of its divisors is an integer number (28578090).

Almost surely, 2^111304103 is an apocalyptic number.

111304103 is a deficient number, since it is larger than the sum of its proper divisors (3008257).

111304103 is an equidigital number, since it uses as much as digits as its factorization.

111304103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008256.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111304103 is about 10550.0759712904. The cubic root of 111304103 is about 481.0280382398.

Adding to 111304103 its reverse (301403111), we get a palindrome (412707214).

The spelling of 111304103 in words is "one hundred eleven million, three hundred four thousand, one hundred three".