13131223223322 has 64 divisors (see below), whose sum is σ = 26596488236544. Its totient is φ = 4321648742400.

The previous prime is 13131223223317. The next prime is 13131223223323. The reversal of 13131223223322 is 22332232213131.

It is a super-2 number, since 2×13131223223322² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13131223223322.

It is not an unprimeable number, because it can be changed into a prime (13131223223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1678536703 + ... + 1678544525.

It is an arithmetic number, because the mean of its divisors is an integer number (415570128696).

Almost surely, 2^{13131223223322} is an apocalyptic number.

13131223223322 is an abundant number, since it is smaller than the sum of its proper divisors (13465265013222).

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

13131223223322 is a wasteful number, since it uses less digits than its factorization.

13131223223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303.

The product of its digits is 15552, while the sum is 30.

Adding to 13131223223322 its reverse (22332232213131), we get a palindrome (35463455436453).

The spelling of 13131223223322 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty-two".