13222123203031 has 4 divisors (see below), whose sum is σ = 13579477884232. Its totient is φ = 12864768521832.

The previous prime is 13222123203007. The next prime is 13222123203043. The reversal of 13222123203031 is 13030232122231.

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

It is not a de Polignac number, because 13222123203031 - 2⁵ = 13222123202999 is a prime.

It is a super-2 number, since 2×13222123203031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222123202987 and 13222123203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222123203131) 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 3 ways as a sum of consecutive naturals, for example, 178677340545 + ... + 178677340618.

It is an arithmetic number, because the mean of its divisors is an integer number (3394869471058).

Almost surely, 2^{13222123203031} is an apocalyptic number.

13222123203031 is a deficient number, since it is larger than the sum of its proper divisors (357354681201).

13222123203031 is an equidigital number, since it uses as much as digits as its factorization.

13222123203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357354681200.

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

Adding to 13222123203031 its reverse (13030232122231), we get a palindrome (26252355325262).

The spelling of 13222123203031 in words is "thirteen trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred three thousand, thirty-one".