211433303241 has 16 divisors (see below), whose sum is σ = 314074309120. Its totient is φ = 140577631920.

The previous prime is 211433303219. The next prime is 211433303293. The reversal of 211433303241 is 142303334112.

It is a happy number.

211433303241 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 3 + 330 + 324 + 1 = 666.

It is not a de Polignac number, because 211433303241 - 2⁶ = 211433303177 is a prime.

It is a super-2 number, since 2×211433303241² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211433303441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10487065 + ... + 10507206.

It is an arithmetic number, because the mean of its divisors is an integer number (19629644320).

Almost surely, 2^211433303241 is an apocalyptic number.

It is an amenable number.

211433303241 is a deficient number, since it is larger than the sum of its proper divisors (102641005879).

211433303241 is a wasteful number, since it uses less digits than its factorization.

211433303241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994653 (or 20994647 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 211433303241 its reverse (142303334112), we get a palindrome (353736637353).

The spelling of 211433303241 in words is "two hundred eleven billion, four hundred thirty-three million, three hundred three thousand, two hundred forty-one".