133222031231320 has 128 divisors (see below), whose sum is σ = 319168970265600. Its totient is φ = 49904581593600.

The previous prime is 133222031231273. The next prime is 133222031231321. The reversal of 133222031231320 is 23132130222331.

It is a happy number.

133222031231320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222031231321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20072925 + ... + 25872115.

It is an arithmetic number, because the mean of its divisors is an integer number (2493507580200).

Almost surely, 2^{133222031231320} is an apocalyptic number.

133222031231320 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 133222031231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159584485132800).

133222031231320 is an abundant number, since it is smaller than the sum of its proper divisors (185946939034280).

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

133222031231320 is a wasteful number, since it uses less digits than its factorization.

133222031231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799569 (or 5799565 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133222031231320 its reverse (23132130222331), we get a palindrome (156354161453651).

The spelling of 133222031231320 in words is "one hundred thirty-three trillion, two hundred twenty-two billion, thirty-one million, two hundred thirty-one thousand, three hundred twenty".