211432243203 has 24 divisors (see below), whose sum is σ = 316141272720. Its totient is φ = 136004702400.

The previous prime is 211432243201. The next prime is 211432243271. The reversal of 211432243203 is 302342234112.

211432243203 is a `hidden beast` number, since 2 + 1 + 1 + 432 + 24 + 3 + 203 = 666.

It is not a de Polignac number, because 211432243203 - 2¹ = 211432243201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211432243201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131553 + ... + 663453.

It is an arithmetic number, because the mean of its divisors is an integer number (13172553030).

Almost surely, 2^211432243203 is an apocalyptic number.

211432243203 is a deficient number, since it is larger than the sum of its proper divisors (104709029517).

211432243203 is a wasteful number, since it uses less digits than its factorization.

211432243203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533459 (or 533456 counting only the distinct ones).

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

Adding to 211432243203 its reverse (302342234112), we get a palindrome (513774477315).

Subtracting 211432243203 from its reverse (302342234112), we obtain a palindrome (90909990909).

The spelling of 211432243203 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred forty-three thousand, two hundred three".