13331240281 has 2 divisors, whose sum is σ = 13331240282. Its totient is φ = 13331240280.

The previous prime is 13331240257. The next prime is 13331240291. The reversal of 13331240281 is 18204213331.

13331240281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11076510025 + 2254730256 = 105245^2 + 47484^2 .

It is an emirp because it is prime and its reverse (18204213331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13331240281 - 2⁹ = 13331239769 is a prime.

It is a super-2 number, since 2×13331240281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13331240291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665620140 + 6665620141.

It is an arithmetic number, because the mean of its divisors is an integer number (6665620141).

Almost surely, 2^13331240281 is an apocalyptic number.

It is an amenable number.

13331240281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331240281 is an equidigital number, since it uses as much as digits as its factorization.

13331240281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 13331240281 in words is "thirteen billion, three hundred thirty-one million, two hundred forty thousand, two hundred eighty-one".