211344243003 has 6 divisors (see below), whose sum is σ = 305275017684. Its totient is φ = 140896161996.

The previous prime is 211344243001. The next prime is 211344243007. The reversal of 211344243003 is 300342443112.

211344243003 is a `hidden beast` number, since 2 + 11 + 344 + 2 + 4 + 300 + 3 = 666.

211344243003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211344243003 - 2¹ = 211344243001 is a prime.

It is a super-2 number, since 2×211344243003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211344243001) 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 in 5 ways as a sum of consecutive naturals, for example, 11741346825 + ... + 11741346842.

It is an arithmetic number, because the mean of its divisors is an integer number (50879169614).

Almost surely, 2^211344243003 is an apocalyptic number.

211344243003 is a deficient number, since it is larger than the sum of its proper divisors (93930774681).

211344243003 is a wasteful number, since it uses less digits than its factorization.

211344243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23482693673 (or 23482693670 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 211344243003 its reverse (300342443112), we get a palindrome (511686686115).

The spelling of 211344243003 in words is "two hundred eleven billion, three hundred forty-four million, two hundred forty-three thousand, three".