113020003 has 4 divisors (see below), whose sum is σ = 113141560. Its totient is φ = 112898448.

The previous prime is 113019997. The next prime is 113020013. The reversal of 113020003 is 300020311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300020311 = 113 ⋅2655047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113020003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113020013) 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, 59373 + ... + 61246.

It is an arithmetic number, because the mean of its divisors is an integer number (28285390).

Almost surely, 2^113020003 is an apocalyptic number.

113020003 is a deficient number, since it is larger than the sum of its proper divisors (121557).

113020003 is an equidigital number, since it uses as much as digits as its factorization.

113020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121556.

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

The square root of 113020003 is about 10631.0866330775. The cubic root of 113020003 is about 483.4873379503.

Adding to 113020003 its reverse (300020311), we get a palindrome (413040314).

The spelling of 113020003 in words is "one hundred thirteen million, twenty thousand, three".