113403013 has 8 divisors (see below), whose sum is σ = 114219000. Its totient is φ = 112590528.

The previous prime is 113402981. The next prime is 113403019. The reversal of 113403013 is 310304311.

It can be written as a sum of positive squares in 4 ways, for example, as 22448644 + 90954369 = 4738^2 + 9537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113403013 - 2⁵ = 113402981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403019) 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 7 ways as a sum of consecutive naturals, for example, 101703 + ... + 102811.

It is an arithmetic number, because the mean of its divisors is an integer number (14277375).

Almost surely, 2^113403013 is an apocalyptic number.

It is an amenable number.

113403013 is a deficient number, since it is larger than the sum of its proper divisors (815987).

113403013 is a wasteful number, since it uses less digits than its factorization.

113403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113403013 is about 10649.0850780713. The cubic root of 113403013 is about 484.0328805952.

Adding to 113403013 its reverse (310304311), we get a palindrome (423707324).

The spelling of 113403013 in words is "one hundred thirteen million, four hundred three thousand, thirteen".