113443211 has 4 divisors (see below), whose sum is σ = 129649392. Its totient is φ = 97237032.

The previous prime is 113443201. The next prime is 113443217. The reversal of 113443211 is 112344311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112344311 = 9007 ⋅12473.

It is a cyclic number.

It is not a de Polignac number, because 113443211 - 2¹⁸ = 113181067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113443217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8103080 + ... + 8103093.

It is an arithmetic number, because the mean of its divisors is an integer number (32412348).

Almost surely, 2^113443211 is an apocalyptic number.

113443211 is a deficient number, since it is larger than the sum of its proper divisors (16206181).

113443211 is an equidigital number, since it uses as much as digits as its factorization.

113443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206180.

The product of its digits is 288, while the sum is 20.

The square root of 113443211 is about 10650.9723030341. The cubic root of 113443211 is about 484.0900655991.

Adding to 113443211 its reverse (112344311), we get a palindrome (225787522).

The spelling of 113443211 in words is "one hundred thirteen million, four hundred forty-three thousand, two hundred eleven".