13320120202231 has 2 divisors, whose sum is σ = 13320120202232. Its totient is φ = 13320120202230.

The previous prime is 13320120202217. The next prime is 13320120202253. The reversal of 13320120202231 is 13220202102331.

It is an a-pointer prime, because the next prime (13320120202253) can be obtained adding 13320120202231 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13320120202231 - 2⁹ = 13320120201719 is a prime.

It is a super-2 number, since 2×13320120202231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320120232231) 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 as a sum of consecutive naturals, namely, 6660060101115 + 6660060101116.

It is an arithmetic number, because the mean of its divisors is an integer number (6660060101116).

Almost surely, 2^{13320120202231} is an apocalyptic number.

13320120202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320120202231 is an equidigital number, since it uses as much as digits as its factorization.

13320120202231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13320120202231 its reverse (13220202102331), we get a palindrome (26540322304562).

The spelling of 13320120202231 in words is "thirteen trillion, three hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred thirty-one".