13044303431020 has 72 divisors (see below), whose sum is σ = 28325885253120. Its totient is φ = 5042881854720.

The previous prime is 13044303431011. The next prime is 13044303431053. The reversal of 13044303431020 is 2013430344031.

13044303431020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13044303431020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8693461 + ... + 10082899.

It is an arithmetic number, because the mean of its divisors is an integer number (393415072960).

Almost surely, 2^{13044303431020} is an apocalyptic number.

13044303431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13044303431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14162942626560).

13044303431020 is an abundant number, since it is smaller than the sum of its proper divisors (15281581822100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13044303431020 is a wasteful number, since it uses less digits than its factorization.

13044303431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389703 (or 1389594 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13044303431020 its reverse (2013430344031), we get a palindrome (15057733775051).

The spelling of 13044303431020 in words is "thirteen trillion, forty-four billion, three hundred three million, four hundred thirty-one thousand, twenty".