113210243 has 4 divisors (see below), whose sum is σ = 113242008. Its totient is φ = 113178480.

The previous prime is 113210231. The next prime is 113210261. The reversal of 113210243 is 342012311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342012311 = 131 ⋅2610781.

It is a cyclic number.

It is not a de Polignac number, because 113210243 - 2⁶ = 113210179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113218243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9746 + ... + 17927.

It is an arithmetic number, because the mean of its divisors is an integer number (28310502).

Almost surely, 2^113210243 is an apocalyptic number.

113210243 is a deficient number, since it is larger than the sum of its proper divisors (31765).

113210243 is an equidigital number, since it uses as much as digits as its factorization.

113210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31764.

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

The square root of 113210243 is about 10640.0302161225. The cubic root of 113210243 is about 483.7584612604.

Adding to 113210243 its reverse (342012311), we get a palindrome (455222554).

The spelling of 113210243 in words is "one hundred thirteen million, two hundred ten thousand, two hundred forty-three".