211131130330 has 16 divisors (see below), whose sum is σ = 380047104360. Its totient is φ = 84449992192.

The previous prime is 211131130321. The next prime is 211131130333. The reversal of 211131130330 is 33031131112.

It can be written as a sum of positive squares in 4 ways, for example, as 204397122609 + 6734007721 = 452103^2 + 82061^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211131130298 and 211131130307.

It is not an unprimeable number, because it can be changed into a prime (211131130333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75726 + ... + 654214.

Almost surely, 2^211131130330 is an apocalyptic number.

211131130330 is a deficient number, since it is larger than the sum of its proper divisors (168915974030).

211131130330 is a wasteful number, since it uses less digits than its factorization.

211131130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614993.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 211131130330 its reverse (33031131112), we get a palindrome (244162261442).

The spelling of 211131130330 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred thirty thousand, three hundred thirty".