13044030321321 has 8 divisors (see below), whose sum is σ = 19324489364960. Its totient is φ = 8696020214196.

The previous prime is 13044030321299. The next prime is 13044030321349. The reversal of 13044030321321 is 12312303044031.

It is a happy number.

13044030321321 is a `hidden beast` number, since 1 + 3 + 0 + 440 + 3 + 0 + 3 + 213 + 2 + 1 = 666.

It is not a de Polignac number, because 13044030321321 - 2¹¹ = 13044030319273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 483112234123 = 13044030321321 / (1 + 3 + 0 + 4 + 4 + 0 + 3 + 0 + 3 + 2 + 1 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044030361321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241556117035 + ... + 241556117088.

It is an arithmetic number, because the mean of its divisors is an integer number (2415561170620).

Almost surely, 2^{13044030321321} is an apocalyptic number.

It is an amenable number.

13044030321321 is a deficient number, since it is larger than the sum of its proper divisors (6280459043639).

13044030321321 is an equidigital number, since it uses as much as digits as its factorization.

13044030321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483112234132 (or 483112234126 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13044030321321 its reverse (12312303044031), we get a palindrome (25356333365352).

The spelling of 13044030321321 in words is "thirteen trillion, forty-four billion, thirty million, three hundred twenty-one thousand, three hundred twenty-one".