113321003 has 4 divisors (see below), whose sum is σ = 113409408. Its totient is φ = 113232600.

The previous prime is 113320939. The next prime is 113321011. The reversal of 113321003 is 300123311.

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 113321003 - 2⁶ = 113320939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113321063) 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 3 ways as a sum of consecutive naturals, for example, 42251 + ... + 44852.

It is an arithmetic number, because the mean of its divisors is an integer number (28352352).

Almost surely, 2^113321003 is an apocalyptic number.

113321003 is a deficient number, since it is larger than the sum of its proper divisors (88405).

113321003 is an equidigital number, since it uses as much as digits as its factorization.

113321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88404.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 113321003 is about 10645.2338161264. The cubic root of 113321003 is about 483.9161726165.

Adding to 113321003 its reverse (300123311), we get a palindrome (413444314).

The spelling of 113321003 in words is "one hundred thirteen million, three hundred twenty-one thousand, three".