13321711344 has 80 divisors (see below), whose sum is σ = 35561406464. Its totient is φ = 4292870400.

The previous prime is 13321711301. The next prime is 13321711369. The reversal of 13321711344 is 44311712331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622289 + ... + 1630479.

Almost surely, 2^13321711344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13321711344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17780703232).

13321711344 is an abundant number, since it is smaller than the sum of its proper divisors (22239695120).

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

13321711344 is a wasteful number, since it uses less digits than its factorization.

13321711344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9326 (or 9320 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The spelling of 13321711344 in words is "thirteen billion, three hundred twenty-one million, seven hundred eleven thousand, three hundred forty-four".