113202305 has 4 divisors (see below), whose sum is σ = 135842772. Its totient is φ = 90561840.

The previous prime is 113202293. The next prime is 113202347. The reversal of 113202305 is 503202311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503202311 = 239 ⋅2105449.

It can be written as a sum of positive squares in 2 ways, for example, as 46730896 + 66471409 = 6836^2 + 8153^2 .

It is not a de Polignac number, because 113202305 - 2¹⁰ = 113201281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11320226 + ... + 11320235.

It is an arithmetic number, because the mean of its divisors is an integer number (33960693).

Almost surely, 2^113202305 is an apocalyptic number.

It is an amenable number.

113202305 is a deficient number, since it is larger than the sum of its proper divisors (22640467).

113202305 is an equidigital number, since it uses as much as digits as its factorization.

113202305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22640466.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 113202305 is about 10639.6571843269. The cubic root of 113202305 is about 483.7471543788.

Adding to 113202305 its reverse (503202311), we get a palindrome (616404616).

The spelling of 113202305 in words is "one hundred thirteen million, two hundred two thousand, three hundred five".