13231043 has 4 divisors (see below), whose sum is σ = 15121200. Its totient is φ = 11340888.

The previous prime is 13231027. The next prime is 13231061. The reversal of 13231043 is 34013231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13231043 - 2⁴ = 13231027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945068 + ... + 945081.

It is an arithmetic number, because the mean of its divisors is an integer number (3780300).

Almost surely, 2^13231043 is an apocalyptic number.

13231043 is a deficient number, since it is larger than the sum of its proper divisors (1890157).

13231043 is an equidigital number, since it uses as much as digits as its factorization.

13231043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890156.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13231043 is about 3637.4500683858. The cubic root of 13231043 is about 236.5182699496.

Adding to 13231043 its reverse (34013231), we get a palindrome (47244274).

The spelling of 13231043 in words is "thirteen million, two hundred thirty-one thousand, forty-three".