1113133203 has 36 divisors (see below), whose sum is σ = 1989795600. Its totient is φ = 587141568.

The previous prime is 1113133181. The next prime is 1113133207. The reversal of 1113133203 is 3023313111.

It is a happy number.

It is not a de Polignac number, because 1113133203 - 2⁸ = 1113132947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113133207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41628 + ... + 62921.

It is an arithmetic number, because the mean of its divisors is an integer number (55272100).

Almost surely, 2^1113133203 is an apocalyptic number.

1113133203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1113133203 is a deficient number, since it is larger than the sum of its proper divisors (876662397).

1113133203 is a wasteful number, since it uses less digits than its factorization.

1113133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104588 (or 104572 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1113133203 is about 33363.6509243218. The cubic root of 1113133203 is about 1036.3720988501.

Adding to 1113133203 its reverse (3023313111), we get a palindrome (4136446314).

The spelling of 1113133203 in words is "one billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred three".