13331333441 has 4 divisors (see below), whose sum is σ = 13336260912. Its totient is φ = 13326405972.

The previous prime is 13331333369. The next prime is 13331333447. The reversal of 13331333441 is 14433313331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331333441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331333447) 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, 2459675 + ... + 2465088.

It is an arithmetic number, because the mean of its divisors is an integer number (3334065228).

Almost surely, 2^13331333441 is an apocalyptic number.

It is an amenable number.

13331333441 is a deficient number, since it is larger than the sum of its proper divisors (4927471).

13331333441 is an equidigital number, since it uses as much as digits as its factorization.

13331333441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927470.

The product of its digits is 11664, while the sum is 29.

Adding to 13331333441 its reverse (14433313331), we get a palindrome (27764646772).

The spelling of 13331333441 in words is "thirteen billion, three hundred thirty-one million, three hundred thirty-three thousand, four hundred forty-one".