13220310031 has 2 divisors, whose sum is σ = 13220310032. Its totient is φ = 13220310030.

The previous prime is 13220310023. The next prime is 13220310041. The reversal of 13220310031 is 13001302231.

It is a weak prime.

It is an emirp because it is prime and its reverse (13001302231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220310031 - 2³ = 13220310023 is a prime.

It is a super-2 number, since 2×13220310031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220309987 and 13220310014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220310041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610155015 + 6610155016.

It is an arithmetic number, because the mean of its divisors is an integer number (6610155016).

Almost surely, 2^13220310031 is an apocalyptic number.

13220310031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220310031 is an equidigital number, since it uses as much as digits as its factorization.

13220310031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13220310031 its reverse (13001302231), we get a palindrome (26221612262).

The spelling of 13220310031 in words is "thirteen billion, two hundred twenty million, three hundred ten thousand, thirty-one".