113013205 has 4 divisors (see below), whose sum is σ = 135615852. Its totient is φ = 90410560.

The previous prime is 113013193. The next prime is 113013209. The reversal of 113013205 is 502310311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502310311 = 41 ⋅12251471.

It can be written as a sum of positive squares in 2 ways, for example, as 84529636 + 28483569 = 9194^2 + 5337^2 .

It is not a de Polignac number, because 113013205 - 2⁹ = 113012693 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 (113013209) 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, 11301316 + ... + 11301325.

It is an arithmetic number, because the mean of its divisors is an integer number (33903963).

Almost surely, 2^113013205 is an apocalyptic number.

It is an amenable number.

113013205 is a deficient number, since it is larger than the sum of its proper divisors (22602647).

113013205 is an equidigital number, since it uses as much as digits as its factorization.

113013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22602646.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 113013205 is about 10630.7669055436. The cubic root of 113013205 is about 483.4776440532.

Adding to 113013205 its reverse (502310311), we get a palindrome (615323516).

The spelling of 113013205 in words is "one hundred thirteen million, thirteen thousand, two hundred five".