213224011843 has 2 divisors, whose sum is σ = 213224011844. Its totient is φ = 213224011842.

The previous prime is 213224011831. The next prime is 213224011907. The reversal of 213224011843 is 348110422312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213224011843 - 2³³ = 204634077251 is a prime.

It is not a weakly prime, because it can be changed into another prime (213224011813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106612005921 + 106612005922.

It is an arithmetic number, because the mean of its divisors is an integer number (106612005922).

Almost surely, 2^213224011843 is an apocalyptic number.

213224011843 is a deficient number, since it is larger than the sum of its proper divisors (1).

213224011843 is an equidigital number, since it uses as much as digits as its factorization.

213224011843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 213224011843 in words is "two hundred thirteen billion, two hundred twenty-four million, eleven thousand, eight hundred forty-three".