113042003 has 4 divisors (see below), whose sum is σ = 115447200. Its totient is φ = 110636808.

The previous prime is 113041997. The next prime is 113042009. The reversal of 113042003 is 300240311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (113041997) and next prime (113042009).

It is a cyclic number.

It is not a de Polignac number, because 113042003 - 2¹⁸ = 112779859 is a prime.

It is a super-3 number, since 3×113042003³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113042009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202528 + ... + 1202621.

It is an arithmetic number, because the mean of its divisors is an integer number (28861800).

Almost surely, 2^113042003 is an apocalyptic number.

113042003 is a deficient number, since it is larger than the sum of its proper divisors (2405197).

113042003 is an equidigital number, since it uses as much as digits as its factorization.

113042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405196.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 113042003 is about 10632.1212841088. The cubic root of 113042003 is about 483.5187071211.

Adding to 113042003 its reverse (300240311), we get a palindrome (413282314).

The spelling of 113042003 in words is "one hundred thirteen million, forty-two thousand, three".