211313322443 has 4 divisors (see below), whose sum is σ = 211315207488. Its totient is φ = 211311437400.

The previous prime is 211313322421. The next prime is 211313322487. The reversal of 211313322443 is 344223313112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211313322443 - 2⁶ = 211313322379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211313322403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762971 + ... + 1002372.

It is an arithmetic number, because the mean of its divisors is an integer number (52828801872).

Almost surely, 2^211313322443 is an apocalyptic number.

211313322443 is a deficient number, since it is larger than the sum of its proper divisors (1885045).

211313322443 is a wasteful number, since it uses less digits than its factorization.

211313322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885044.

The product of its digits is 10368, while the sum is 29.

Adding to 211313322443 its reverse (344223313112), we get a palindrome (555536635555).

The spelling of 211313322443 in words is "two hundred eleven billion, three hundred thirteen million, three hundred twenty-two thousand, four hundred forty-three".