13211131189 has 2 divisors, whose sum is σ = 13211131190. Its totient is φ = 13211131188.

The previous prime is 13211131183. The next prime is 13211131223. The reversal of 13211131189 is 98113111231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11801128689 + 1410002500 = 108633^2 + 37550^2 .

It is a cyclic number.

It is not a de Polignac number, because 13211131189 - 2²¹ = 13209034037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13211131189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13211131183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605565594 + 6605565595.

It is an arithmetic number, because the mean of its divisors is an integer number (6605565595).

Almost surely, 2^13211131189 is an apocalyptic number.

It is an amenable number.

13211131189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211131189 is an equidigital number, since it uses as much as digits as its factorization.

13211131189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 31.

It can be divided in two parts, 13211 and 131189, that added together give a square (144400 = 380²).

The spelling of 13211131189 in words is "thirteen billion, two hundred eleven million, one hundred thirty-one thousand, one hundred eighty-nine".