11331443 has 4 divisors (see below), whose sum is σ = 11448360. Its totient is φ = 11214528.

The previous prime is 11331389. The next prime is 11331473. The reversal of 11331443 is 34413311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34413311 = 941 ⋅36571.

It is a cyclic number.

It is not a de Polignac number, because 11331443 - 2⁶ = 11331379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331473) 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, 58313 + ... + 58506.

It is an arithmetic number, because the mean of its divisors is an integer number (2862090).

Almost surely, 2^11331443 is an apocalyptic number.

11331443 is a deficient number, since it is larger than the sum of its proper divisors (116917).

11331443 is an equidigital number, since it uses as much as digits as its factorization.

11331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116916.

The product of its digits is 432, while the sum is 20.

The square root of 11331443 is about 3366.2208780768. The cubic root of 11331443 is about 224.6096474487.

Adding to 11331443 its reverse (34413311), we get a palindrome (45744754).

The spelling of 11331443 in words is "eleven million, three hundred thirty-one thousand, four hundred forty-three".