13201331443 has 4 divisors (see below), whose sum is σ = 13210175088. Its totient is φ = 13192487800.

The previous prime is 13201331389. The next prime is 13201331467. The reversal of 13201331443 is 34413310231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34413310231 = 4519 ⋅7615249.

It is a cyclic number.

It is not a de Polignac number, because 13201331443 - 2⁹ = 13201330931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201131443) 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, 4419583 + ... + 4422568.

It is an arithmetic number, because the mean of its divisors is an integer number (3302543772).

Almost surely, 2^13201331443 is an apocalyptic number.

13201331443 is a deficient number, since it is larger than the sum of its proper divisors (8843645).

13201331443 is an equidigital number, since it uses as much as digits as its factorization.

13201331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843644.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13201331443 its reverse (34413310231), we get a palindrome (47614641674).

The spelling of 13201331443 in words is "thirteen billion, two hundred one million, three hundred thirty-one thousand, four hundred forty-three".