113044013 has 4 divisors (see below), whose sum is σ = 113210208. Its totient is φ = 112877820.

The previous prime is 113044007. The next prime is 113044021. The reversal of 113044013 is 310440311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113044013 - 2⁸ = 113043757 is a prime.

It is a super-3 number, since 3×113044013³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113043982 and 113044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113044003) 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, 82073 + ... + 83438.

It is an arithmetic number, because the mean of its divisors is an integer number (28302552).

Almost surely, 2^113044013 is an apocalyptic number.

It is an amenable number.

113044013 is a deficient number, since it is larger than the sum of its proper divisors (166195).

113044013 is an equidigital number, since it uses as much as digits as its factorization.

113044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166194.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113044013 is about 10632.2158085697. The cubic root of 113044013 is about 483.5215729197.

Adding to 113044013 its reverse (310440311), we get a palindrome (423484324).

The spelling of 113044013 in words is "one hundred thirteen million, forty-four thousand, thirteen".