13311423424 has 112 divisors (see below), whose sum is σ = 29256264576. Its totient is φ = 5970124800.

The previous prime is 13311423421. The next prime is 13311423431. The reversal of 13311423424 is 42432411331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13311423392 and 13311423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311423421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10812889 + ... + 10814119.

It is an arithmetic number, because the mean of its divisors is an integer number (261216648).

Almost surely, 2^13311423424 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 13311423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14628132288).

13311423424 is an abundant number, since it is smaller than the sum of its proper divisors (15944841152).

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

13311423424 is a wasteful number, since it uses less digits than its factorization.

13311423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1604 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 13311423424 its reverse (42432411331), we get a palindrome (55743834755).

The spelling of 13311423424 in words is "thirteen billion, three hundred eleven million, four hundred twenty-three thousand, four hundred twenty-four".