13321030044431 has 4 divisors (see below), whose sum is σ = 13326906107592. Its totient is φ = 13315153981272.

The previous prime is 13321030044407. The next prime is 13321030044433. The reversal of 13321030044431 is 13444003012331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321030044431 is a prime.

It is a super-2 number, since 2×13321030044431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321030044394 and 13321030044403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321030044433) 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, 2938028180 + ... + 2938032713.

It is an arithmetic number, because the mean of its divisors is an integer number (3331726526898).

Almost surely, 2^{13321030044431} is an apocalyptic number.

13321030044431 is a deficient number, since it is larger than the sum of its proper divisors (5876063161).

13321030044431 is an equidigital number, since it uses as much as digits as its factorization.

13321030044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876063160.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13321030044431 its reverse (13444003012331), we get a palindrome (26765033056762).

The spelling of 13321030044431 in words is "thirteen trillion, three hundred twenty-one billion, thirty million, forty-four thousand, four hundred thirty-one".