13221130303231 has 16 divisors (see below), whose sum is σ = 13884522530400. Its totient is φ = 12572687024128.

The previous prime is 13221130303223. The next prime is 13221130303253. The reversal of 13221130303231 is 13230303112231.

It is a cyclic number.

It is not a de Polignac number, because 13221130303231 - 2³ = 13221130303223 is a prime.

It is a super-2 number, since 2×13221130303231² (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 = 13221130303196 and 13221130303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221130306231) 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, 9302605 + ... + 10629238.

It is an arithmetic number, because the mean of its divisors is an integer number (867782658150).

Almost surely, 2^{13221130303231} is an apocalyptic number.

13221130303231 is a deficient number, since it is larger than the sum of its proper divisors (663392227169).

13221130303231 is a wasteful number, since it uses less digits than its factorization.

13221130303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932218.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13221130303231 its reverse (13230303112231), we get a palindrome (26451433415462).

The spelling of 13221130303231 in words is "thirteen trillion, two hundred twenty-one billion, one hundred thirty million, three hundred three thousand, two hundred thirty-one".