13321221030031 has 2 divisors, whose sum is σ = 13321221030032. Its totient is φ = 13321221030030.

The previous prime is 13321221030011. The next prime is 13321221030053. The reversal of 13321221030031 is 13003012212331.

It is an a-pointer prime, because the next prime (13321221030053) can be obtained adding 13321221030031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13321221030031 - 2¹³ = 13321221021839 is a prime.

It is a super-2 number, since 2×13321221030031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13321221029984 and 13321221030011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321221030011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660610515015 + 6660610515016.

It is an arithmetic number, because the mean of its divisors is an integer number (6660610515016).

Almost surely, 2^{13321221030031} is an apocalyptic number.

13321221030031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321221030031 is an equidigital number, since it uses as much as digits as its factorization.

13321221030031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13321221030031 its reverse (13003012212331), we get a palindrome (26324233242362).

The spelling of 13321221030031 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty-one million, thirty thousand, thirty-one".