13220200031 has 2 divisors, whose sum is σ = 13220200032. Its totient is φ = 13220200030.

The previous prime is 13220200027. The next prime is 13220200039. The reversal of 13220200031 is 13000202231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13000202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220200031 - 2² = 13220200027 is a prime.

It is a super-2 number, since 2×13220200031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220199979 and 13220200015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220200039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610100015 + 6610100016.

It is an arithmetic number, because the mean of its divisors is an integer number (6610100016).

Almost surely, 2^13220200031 is an apocalyptic number.

13220200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220200031 is an equidigital number, since it uses as much as digits as its factorization.

13220200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13220200031 its reverse (13000202231), we get a palindrome (26220402262).

The spelling of 13220200031 in words is "thirteen billion, two hundred twenty million, two hundred thousand, thirty-one".