13031222133220 has 96 divisors (see below), whose sum is σ = 27780815462400. Its totient is φ = 5133994905984.

The previous prime is 13031222133187. The next prime is 13031222133221. The reversal of 13031222133220 is 2233122213031.

13031222133220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13031222133221) 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, 413057487 + ... + 413089033.

It is an arithmetic number, because the mean of its divisors is an integer number (289383494400).

Almost surely, 2^{13031222133220} is an apocalyptic number.

13031222133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031222133220 is an abundant number, since it is smaller than the sum of its proper divisors (14749593329180).

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

13031222133220 is a wasteful number, since it uses less digits than its factorization.

13031222133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32737 (or 32735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13031222133220 its reverse (2233122213031), we get a palindrome (15264344346251).

The spelling of 13031222133220 in words is "thirteen trillion, thirty-one billion, two hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty".