13220322310031 has 4 divisors (see below), whose sum is σ = 13646784320064. Its totient is φ = 12793860300000.

The previous prime is 13220322309991. The next prime is 13220322310057. The reversal of 13220322310031 is 13001322302231.

13220322310031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13220322310031 - 2²² = 13220318115727 is a prime.

It is a super-2 number, since 2×13220322310031² (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 = 13220322309979 and 13220322310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220322310231) 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, 213231004970 + ... + 213231005031.

It is an arithmetic number, because the mean of its divisors is an integer number (3411696080016).

Almost surely, 2^{13220322310031} is an apocalyptic number.

13220322310031 is a deficient number, since it is larger than the sum of its proper divisors (426462010033).

13220322310031 is an equidigital number, since it uses as much as digits as its factorization.

13220322310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426462010032.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13220322310031 its reverse (13001322302231), we get a palindrome (26221644612262).

The spelling of 13220322310031 in words is "thirteen trillion, two hundred twenty billion, three hundred twenty-two million, three hundred ten thousand, thirty-one".