113113013 has 4 divisors (see below), whose sum is σ = 121814028. Its totient is φ = 104412000.

The previous prime is 113113003. The next prime is 113113027. The reversal of 113113013 is 310311311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 108014449 = 2258^2 + 10393^2 .

It is a cyclic number.

It is not a de Polignac number, because 113113013 - 2⁴ = 113112997 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 (113113003) 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, 4350488 + ... + 4350513.

It is an arithmetic number, because the mean of its divisors is an integer number (30453507).

Almost surely, 2^113113013 is an apocalyptic number.

113113013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113113013 is a deficient number, since it is larger than the sum of its proper divisors (8701015).

113113013 is an equidigital number, since it uses as much as digits as its factorization.

113113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701014.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 113113013 is about 10635.4601686998. The cubic root of 113113013 is about 483.6199304883.

Adding to 113113013 its reverse (310311311), we get a palindrome (423424324).

The spelling of 113113013 in words is "one hundred thirteen million, one hundred thirteen thousand, thirteen".