1103100133 has 4 divisors (see below), whose sum is σ = 1103178348. Its totient is φ = 1103021920.

The previous prime is 1103100109. The next prime is 1103100143. The reversal of 1103100133 is 3310013011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 325694209 + 777405924 = 18047^2 + 27882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103100133 - 2⁵ = 1103100101 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 (1103100143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11416 + ... + 48337.

It is an arithmetic number, because the mean of its divisors is an integer number (275794587).

Almost surely, 2^1103100133 is an apocalyptic number.

It is an amenable number.

1103100133 is a deficient number, since it is larger than the sum of its proper divisors (78215).

1103100133 is an equidigital number, since it uses as much as digits as its factorization.

1103100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78214.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1103100133 is about 33212.9512841000. The cubic root of 1103100133 is about 1033.2489651433.

Adding to 1103100133 its reverse (3310013011), we get a palindrome (4413113144).

The spelling of 1103100133 in words is "one billion, one hundred three million, one hundred thousand, one hundred thirty-three".