213233210191 has 2 divisors, whose sum is σ = 213233210192. Its totient is φ = 213233210190.

The previous prime is 213233210171. The next prime is 213233210227. The reversal of 213233210191 is 191012332312.

213233210191 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 not a de Polignac number, because 213233210191 - 2⁷ = 213233210063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213233210101) 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, 106616605095 + 106616605096.

It is an arithmetic number, because the mean of its divisors is an integer number (106616605096).

Almost surely, 2^213233210191 is an apocalyptic number.

213233210191 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233210191 is an equidigital number, since it uses as much as digits as its factorization.

213233210191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 213233210191 in words is "two hundred thirteen billion, two hundred thirty-three million, two hundred ten thousand, one hundred ninety-one".