213483191 has 2 divisors, whose sum is σ = 213483192. Its totient is φ = 213483190.

The previous prime is 213483169. The next prime is 213483199. The reversal of 213483191 is 191384312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213483191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213483199) 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, 106741595 + 106741596.

It is an arithmetic number, because the mean of its divisors is an integer number (106741596).

Almost surely, 2^213483191 is an apocalyptic number.

213483191 is a deficient number, since it is larger than the sum of its proper divisors (1).

213483191 is an equidigital number, since it uses as much as digits as its factorization.

213483191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 213483191 is about 14611.0639927419. The cubic root of 213483191 is about 597.6605111388.

The spelling of 213483191 in words is "two hundred thirteen million, four hundred eighty-three thousand, one hundred ninety-one".