13230231211 has 2 divisors, whose sum is σ = 13230231212. Its totient is φ = 13230231210.

The previous prime is 13230231191. The next prime is 13230231233. The reversal of 13230231211 is 11213203231.

13230231211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13230231211 is a prime.

It is not a weakly prime, because it can be changed into another prime (13230231251) 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, 6615115605 + 6615115606.

It is an arithmetic number, because the mean of its divisors is an integer number (6615115606).

Almost surely, 2^13230231211 is an apocalyptic number.

13230231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230231211 is an equidigital number, since it uses as much as digits as its factorization.

13230231211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13230231211 its reverse (11213203231), we get a palindrome (24443434442).

The spelling of 13230231211 in words is "thirteen billion, two hundred thirty million, two hundred thirty-one thousand, two hundred eleven".