113220343 has 4 divisors (see below), whose sum is σ = 113536080. Its totient is φ = 112904608.

The previous prime is 113220313. The next prime is 113220353. The reversal of 113220343 is 343022311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113220343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113220343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220313) 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, 157330 + ... + 158047.

It is an arithmetic number, because the mean of its divisors is an integer number (28384020).

Almost surely, 2^113220343 is an apocalyptic number.

113220343 is a deficient number, since it is larger than the sum of its proper divisors (315737).

113220343 is an equidigital number, since it uses as much as digits as its factorization.

113220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315736.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 113220343 is about 10640.5048282495. The cubic root of 113220343 is about 483.7728469291.

Adding to 113220343 its reverse (343022311), we get a palindrome (456242654).

The spelling of 113220343 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred forty-three".