13222323012131 has 4 divisors (see below), whose sum is σ = 13223602148232. Its totient is φ = 13221043876032.

The previous prime is 13222323012127. The next prime is 13222323012161. The reversal of 13222323012131 is 13121032322231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13222323012131 - 2² = 13222323012127 is a prime.

It is a super-2 number, since 2×13222323012131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13222323012131.

It is not an unprimeable number, because it can be changed into a prime (13222323012161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639552545 + ... + 639573218.

It is an arithmetic number, because the mean of its divisors is an integer number (3305900537058).

Almost surely, 2^{13222323012131} is an apocalyptic number.

13222323012131 is a deficient number, since it is larger than the sum of its proper divisors (1279136101).

13222323012131 is a wasteful number, since it uses less digits than its factorization.

13222323012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279136100.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13222323012131 its reverse (13121032322231), we get a palindrome (26343355334362).

The spelling of 13222323012131 in words is "thirteen trillion, two hundred twenty-two billion, three hundred twenty-three million, twelve thousand, one hundred thirty-one".