13223332321031 has 12 divisors (see below), whose sum is σ = 15382939347072. Its totient is φ = 11333772279648.

The previous prime is 13223332321027. The next prime is 13223332321051. The reversal of 13223332321031 is 13012323332231.

It is not a de Polignac number, because 13223332321031 - 2² = 13223332321027 is a prime.

It is a super-2 number, since 2×13223332321031² (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 = 13223332320985 and 13223332321003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223332321021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5005415 + ... + 7176408.

It is an arithmetic number, because the mean of its divisors is an integer number (1281911612256).

Almost surely, 2^{13223332321031} is an apocalyptic number.

13223332321031 is a deficient number, since it is larger than the sum of its proper divisors (2159607026041).

13223332321031 is a wasteful number, since it uses less digits than its factorization.

13223332321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203990 (or 12203983 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13223332321031 its reverse (13012323332231), we get a palindrome (26235655653262).

The spelling of 13223332321031 in words is "thirteen trillion, two hundred twenty-three billion, three hundred thirty-two million, three hundred twenty-one thousand, thirty-one".