211342310189 has 2 divisors, whose sum is σ = 211342310190. Its totient is φ = 211342310188.

The previous prime is 211342310089. The next prime is 211342310219. The reversal of 211342310189 is 981013243112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207268041289 + 4074268900 = 455267^2 + 63830^2 .

It is a cyclic number.

It is not a de Polignac number, because 211342310189 - 2⁸ = 211342309933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211342310089) 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, 105671155094 + 105671155095.

It is an arithmetic number, because the mean of its divisors is an integer number (105671155095).

Almost surely, 2^211342310189 is an apocalyptic number.

It is an amenable number.

211342310189 is a deficient number, since it is larger than the sum of its proper divisors (1).

211342310189 is an equidigital number, since it uses as much as digits as its factorization.

211342310189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 211342310189 in words is "two hundred eleven billion, three hundred forty-two million, three hundred ten thousand, one hundred eighty-nine".