211130030 has 16 divisors (see below), whose sum is σ = 381451680. Its totient is φ = 84136992.

The previous prime is 211130027. The next prime is 211130039. The reversal of 211130030 is 30031112.

It is a junction number, because it is equal to n+sod(n) for n = 211129993 and 211130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36554 + ... + 41933.

It is an arithmetic number, because the mean of its divisors is an integer number (23840730).

Almost surely, 2^211130030 is an apocalyptic number.

211130030 is a deficient number, since it is larger than the sum of its proper divisors (170321650).

211130030 is a wasteful number, since it uses less digits than its factorization.

211130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78763.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 211130030 is about 14530.3141741671. The cubic root of 211130030 is about 595.4564489400.

Adding to 211130030 its reverse (30031112), we get a palindrome (241161142).

The spelling of 211130030 in words is "two hundred eleven million, one hundred thirty thousand, thirty".