13231331443 has 8 divisors (see below), whose sum is σ = 14507452080. Its totient is φ = 11967422880.

The previous prime is 13231331437. The next prime is 13231331471. The reversal of 13231331443 is 34413313231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13231331443 - 2⁵ = 13231331411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13231331423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050748 + ... + 3055081.

It is an arithmetic number, because the mean of its divisors is an integer number (1813431510).

Almost surely, 2^13231331443 is an apocalyptic number.

13231331443 is a deficient number, since it is larger than the sum of its proper divisors (1276120637).

13231331443 is a wasteful number, since it uses less digits than its factorization.

13231331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106037.

The product of its digits is 7776, while the sum is 28.

Adding to 13231331443 its reverse (34413313231), we get a palindrome (47644644674).

The spelling of 13231331443 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty-one thousand, four hundred forty-three".