211434203043 has 96 divisors (see below), whose sum is σ = 367130050560. Its totient is φ = 119099354400.

The previous prime is 211434203039. The next prime is 211434203083. The reversal of 211434203043 is 340302434112.

211434203043 is a `hidden beast` number, since 2 + 1 + 14 + 342 + 0 + 304 + 3 = 666.

It is not a de Polignac number, because 211434203043 - 2² = 211434203039 is a prime.

It is a super-4 number, since 4×211434203043⁴ (a number of 46 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 211434202998 and 211434203016.

It is not an unprimeable number, because it can be changed into a prime (211434203083) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 154669546 + ... + 154670912.

It is an arithmetic number, because the mean of its divisors is an integer number (3824271360).

Almost surely, 2^211434203043 is an apocalyptic number.

211434203043 is a deficient number, since it is larger than the sum of its proper divisors (155695847517).

211434203043 is a wasteful number, since it uses less digits than its factorization.

211434203043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2607 counting only the distinct ones).

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

Adding to 211434203043 its reverse (340302434112), we get a palindrome (551736637155).

The spelling of 211434203043 in words is "two hundred eleven billion, four hundred thirty-four million, two hundred three thousand, forty-three".