213144441227 has 2 divisors, whose sum is σ = 213144441228. Its totient is φ = 213144441226.

The previous prime is 213144441197. The next prime is 213144441259. The reversal of 213144441227 is 722144441312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213144441227 - 2³⁶ = 144424964491 is a prime.

It is not a weakly prime, because it can be changed into another prime (213144446227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106572220613 + 106572220614.

It is an arithmetic number, because the mean of its divisors is an integer number (106572220614).

Almost surely, 2^213144441227 is an apocalyptic number.

213144441227 is a deficient number, since it is larger than the sum of its proper divisors (1).

213144441227 is an equidigital number, since it uses as much as digits as its factorization.

213144441227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 35.

Adding to 213144441227 its reverse (722144441312), we get a palindrome (935288882539).

The spelling of 213144441227 in words is "two hundred thirteen billion, one hundred forty-four million, four hundred forty-one thousand, two hundred twenty-seven".