13221230130231 has 4 divisors (see below), whose sum is σ = 17628306840312. Its totient is φ = 8814153420152.

The previous prime is 13221230130217. The next prime is 13221230130233. The reversal of 13221230130231 is 13203103212231.

13221230130231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13221230130231 - 2¹⁵ = 13221230097463 is a prime.

It is a super-2 number, since 2×13221230130231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221230130233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203538355036 + ... + 2203538355041.

It is an arithmetic number, because the mean of its divisors is an integer number (4407076710078).

Almost surely, 2^{13221230130231} is an apocalyptic number.

13221230130231 is a deficient number, since it is larger than the sum of its proper divisors (4407076710081).

13221230130231 is an equidigital number, since it uses as much as digits as its factorization.

13221230130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407076710080.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13221230130231 its reverse (13203103212231), we get a palindrome (26424333342462).

The spelling of 13221230130231 in words is "thirteen trillion, two hundred twenty-one billion, two hundred thirty million, one hundred thirty thousand, two hundred thirty-one".