211030332 has 48 divisors (see below), whose sum is σ = 510736800. Its totient is φ = 67737600.

The previous prime is 211030331. The next prime is 211030349. The reversal of 211030332 is 233030112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208644 + ... + 209652.

It is an arithmetic number, because the mean of its divisors is an integer number (10640350).

Almost surely, 2^211030332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211030332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255368400).

211030332 is an abundant number, since it is smaller than the sum of its proper divisors (299706468).

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

211030332 is a wasteful number, since it uses less digits than its factorization.

211030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 211030332 is about 14526.8830793120. The cubic root of 211030332 is about 595.3627070819.

Adding to 211030332 its reverse (233030112), we get a palindrome (444060444).

The spelling of 211030332 in words is "two hundred eleven million, thirty thousand, three hundred thirty-two".