1103231103 has 16 divisors (see below), whose sum is σ = 1603217280. Its totient is φ = 670729824.

The previous prime is 1103231083. The next prime is 1103231111. The reversal of 1103231103 is 3011323011.

It is not a de Polignac number, because 1103231103 - 2⁵ = 1103231071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103231803) 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 15 ways as a sum of consecutive naturals, for example, 167173 + ... + 173646.

It is an arithmetic number, because the mean of its divisors is an integer number (100201080).

Almost surely, 2^1103231103 is an apocalyptic number.

1103231103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103231103 is a deficient number, since it is larger than the sum of its proper divisors (499986177).

1103231103 is a wasteful number, since it uses less digits than its factorization.

1103231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340918.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103231103 is about 33214.9228961923. The cubic root of 1103231103 is about 1033.2898557381.

Adding to 1103231103 its reverse (3011323011), we get a palindrome (4114554114).

The spelling of 1103231103 in words is "one billion, one hundred three million, two hundred thirty-one thousand, one hundred three".