13221330222031 has 16 divisors (see below), whose sum is σ = 13467923507808. Its totient is φ = 12977111347200.

The previous prime is 13221330222017. The next prime is 13221330222119. The reversal of 13221330222031 is 13022203312231.

It is a cyclic number.

It is not a de Polignac number, because 13221330222031 - 2⁵ = 13221330221999 is a prime.

It is a super-2 number, since 2×13221330222031² (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 = 13221330221987 and 13221330222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221330222631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20277111 + ... + 20918983.

It is an arithmetic number, because the mean of its divisors is an integer number (841745219238).

Almost surely, 2^{13221330222031} is an apocalyptic number.

13221330222031 is a deficient number, since it is larger than the sum of its proper divisors (246593285777).

13221330222031 is a wasteful number, since it uses less digits than its factorization.

13221330222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643722.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13221330222031 its reverse (13022203312231), we get a palindrome (26243533534262).

The spelling of 13221330222031 in words is "thirteen trillion, two hundred twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, thirty-one".