13331043430013 has 4 divisors (see below), whose sum is σ = 13582572551388. Its totient is φ = 13079514308640.

The previous prime is 13331043429989. The next prime is 13331043430037. The reversal of 13331043430013 is 31003434013331.

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

It is an interprime number because it is at equal distance from previous prime (13331043429989) and next prime (13331043430037).

It can be written as a sum of positive squares in 2 ways, for example, as 4969074056164 + 8361969373849 = 2229142^2 + 2891707^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331043430013 - 2²⁸ = 13330774994557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331043430813) 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, 125764560608 + ... + 125764560713.

It is an arithmetic number, because the mean of its divisors is an integer number (3395643137847).

Almost surely, 2^{13331043430013} is an apocalyptic number.

It is an amenable number.

13331043430013 is a deficient number, since it is larger than the sum of its proper divisors (251529121375).

13331043430013 is an equidigital number, since it uses as much as digits as its factorization.

13331043430013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251529121374.

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

Adding to 13331043430013 its reverse (31003434013331), we get a palindrome (44334477443344).

The spelling of 13331043430013 in words is "thirteen trillion, three hundred thirty-one billion, forty-three million, four hundred thirty thousand, thirteen".