211330032 has 40 divisors (see below), whose sum is σ = 550250496. Its totient is φ = 69886656.

The previous prime is 211330019. The next prime is 211330033. The reversal of 211330032 is 230033112.

It is a junction number, because it is equal to n+sod(n) for n = 211329993 and 211330020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211330033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11238 + ... + 23429.

Almost surely, 2^211330032 is an apocalyptic number.

It is an amenable number.

211330032 is an abundant number, since it is smaller than the sum of its proper divisors (338920464).

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

211330032 is a wasteful number, since it uses less digits than its factorization.

211330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34805 (or 34799 counting only the distinct ones).

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

The square root of 211330032 is about 14537.1947775353. The cubic root of 211330032 is about 595.6444135091.

Adding to 211330032 its reverse (230033112), we get a palindrome (441363144).

The spelling of 211330032 in words is "two hundred eleven million, three hundred thirty thousand, thirty-two".