32211131209 has 2 divisors, whose sum is σ = 32211131210. Its totient is φ = 32211131208.

The previous prime is 32211131207. The next prime is 32211131233. The reversal of 32211131209 is 90213111223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30110925625 + 2100205584 = 173525^2 + 45828^2 .

It is a cyclic number.

It is not a de Polignac number, because 32211131209 - 2¹ = 32211131207 is a prime.

Together with 32211131207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32211131207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16105565604 + 16105565605.

It is an arithmetic number, because the mean of its divisors is an integer number (16105565605).

Almost surely, 2^32211131209 is an apocalyptic number.

It is an amenable number.

32211131209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32211131209 is an equidigital number, since it uses as much as digits as its factorization.

32211131209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 32211131209 in words is "thirty-two billion, two hundred eleven million, one hundred thirty-one thousand, two hundred nine".