1113321003 has 16 divisors (see below), whose sum is σ = 1552358400. Its totient is φ = 708390144.

The previous prime is 1113320963. The next prime is 1113321023. The reversal of 1113321003 is 3001233111.

It is a de Polignac number, because none of the positive numbers 2^k-1113321003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113321023) 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, 14523 + ... + 49371.

It is an arithmetic number, because the mean of its divisors is an integer number (97022400).

Almost surely, 2^1113321003 is an apocalyptic number.

1113321003 is a deficient number, since it is larger than the sum of its proper divisors (439037397).

1113321003 is a wasteful number, since it uses less digits than its factorization.

1113321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35338.

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

The square root of 1113321003 is about 33366.4652458123. The cubic root of 1113321003 is about 1036.4303787083.

Adding to 1113321003 its reverse (3001233111), we get a palindrome (4114554114).

The spelling of 1113321003 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, three".