113403205 has 4 divisors (see below), whose sum is σ = 136083852. Its totient is φ = 90722560.

The previous prime is 113403203. The next prime is 113403211. The reversal of 113403205 is 502304311.

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 17715681 + 95687524 = 4209^2 + 9782^2 .

It is not a de Polignac number, because 113403205 - 2¹ = 113403203 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 (113403203) 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, 11340316 + ... + 11340325.

It is an arithmetic number, because the mean of its divisors is an integer number (34020963).

Almost surely, 2^113403205 is an apocalyptic number.

It is an amenable number.

113403205 is a deficient number, since it is larger than the sum of its proper divisors (22680647).

113403205 is an equidigital number, since it uses as much as digits as its factorization.

113403205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680646.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 113403205 is about 10649.0940929264. The cubic root of 113403205 is about 484.0331537634.

Adding to 113403205 its reverse (502304311), we get a palindrome (615707516).

The spelling of 113403205 in words is "one hundred thirteen million, four hundred three thousand, two hundred five".