211041530 has 24 divisors (see below), whose sum is σ = 441896148. Its totient is φ = 72356928.

The previous prime is 211041499. The next prime is 211041533. The reversal of 211041530 is 35140112.

211041530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193460281 + 17581249 = 13909^2 + 4193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211041499 and 211041508.

It is not an unprimeable number, because it can be changed into a prime (211041533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214859 + ... + 215838.

Almost surely, 2^211041530 is an apocalyptic number.

211041530 is an abundant number, since it is smaller than the sum of its proper divisors (230854618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211041530 is a wasteful number, since it uses less digits than its factorization.

211041530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430718 (or 430711 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 211041530 is about 14527.2684975531. The cubic root of 211041530 is about 595.3732375645.

Adding to 211041530 its reverse (35140112), we get a palindrome (246181642).

The spelling of 211041530 in words is "two hundred eleven million, forty-one thousand, five hundred thirty".