211030 has 16 divisors (see below), whose sum is σ = 388800. Its totient is φ = 82432.

The previous prime is 211007. The next prime is 211039. The reversal of 211030 is 30112.

211030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211039) by changing a digit.

211030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 694.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2²¹¹⁰³⁰ is an apocalyptic number.

211030 is a deficient number, since it is larger than the sum of its proper divisors (177770).

211030 is a wasteful number, since it uses less digits than its factorization.

211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 211030 is about 459.3800169794. The cubic root of 211030 is about 59.5362394867.

Adding to 211030 its reverse (30112), we get a palindrome (241142).

The spelling of 211030 in words is "two hundred eleven thousand, thirty".