13311223222240 has 96 divisors (see below), whose sum is σ = 33298601001120. Its totient is φ = 5011138412544.

The previous prime is 13311223222211. The next prime is 13311223222247. The reversal of 13311223222240 is 4222232211331.

It is a happy number.

13311223222240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13311223222199 and 13311223222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311223222247) 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, 158721759 + ... + 158805601.

It is an arithmetic number, because the mean of its divisors is an integer number (346860427095).

Almost surely, 2^{13311223222240} is an apocalyptic number.

13311223222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311223222240 is an abundant number, since it is smaller than the sum of its proper divisors (19987377778880).

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

13311223222240 is a wasteful number, since it uses less digits than its factorization.

13311223222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142244 (or 142236 counting only the distinct ones).

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

Adding to 13311223222240 its reverse (4222232211331), we get a palindrome (17533455433571).

The spelling of 13311223222240 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred forty".