113002003 has 4 divisors (see below), whose sum is σ = 113030280. Its totient is φ = 112973728.

The previous prime is 113001961. The next prime is 113002039. The reversal of 113002003 is 300200311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300200311 = 31 ⋅9683881.

It is a cyclic number.

It is not a de Polignac number, because 113002003 - 2⁹ = 113001491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113062003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6913 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (28257570).

Almost surely, 2^113002003 is an apocalyptic number.

113002003 is a deficient number, since it is larger than the sum of its proper divisors (28277).

113002003 is an equidigital number, since it uses as much as digits as its factorization.

113002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28276.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 113002003 is about 10630.2400255121. The cubic root of 113002003 is about 483.4616692371.

Adding to 113002003 its reverse (300200311), we get a palindrome (413202314).

It can be divided in two parts, 11 and 3002003, that multiplied together give a palindrome (33022033).

The spelling of 113002003 in words is "one hundred thirteen million, two thousand, three".