13023221312031 has 32 divisors (see below), whose sum is σ = 20174615290368. Its totient is φ = 7318570406400.

The previous prime is 13023221312029. The next prime is 13023221312051. The reversal of 13023221312031 is 13021312232031.

It is not a de Polignac number, because 13023221312031 - 2¹ = 13023221312029 is a prime.

It is a super-2 number, since 2×13023221312031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13023221311992 and 13023221312010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023221312051) 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, 6854910 + ... + 8546123.

It is an arithmetic number, because the mean of its divisors is an integer number (630456727824).

Almost surely, 2^{13023221312031} is an apocalyptic number.

13023221312031 is a deficient number, since it is larger than the sum of its proper divisors (7151393978337).

13023221312031 is a wasteful number, since it uses less digits than its factorization.

13023221312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401711.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13023221312031 its reverse (13021312232031), we get a palindrome (26044533544062).

The spelling of 13023221312031 in words is "thirteen trillion, twenty-three billion, two hundred twenty-one million, three hundred twelve thousand, thirty-one".