111303031103 has 4 divisors (see below), whose sum is σ = 121421488488. Its totient is φ = 101184573720.

The previous prime is 111303031079. The next prime is 111303031181. The reversal of 111303031103 is 301130303111.

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 111303031103 - 2⁸ = 111303030847 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 (111303034103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059228676 + ... + 5059228697.

It is an arithmetic number, because the mean of its divisors is an integer number (30355372122).

Almost surely, 2^111303031103 is an apocalyptic number.

111303031103 is a deficient number, since it is larger than the sum of its proper divisors (10118457385).

111303031103 is a wasteful number, since it uses less digits than its factorization.

111303031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118457384.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 111303031103 its reverse (301130303111), we get a palindrome (412433334214).

The spelling of 111303031103 in words is "one hundred eleven billion, three hundred three million, thirty-one thousand, one hundred three".