211131320334 has 16 divisors (see below), whose sum is σ = 460650153600. Its totient is φ = 63979187960.

The previous prime is 211131320333. The next prime is 211131320341. The reversal of 211131320334 is 433023131112.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131320333) 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, 1599479634 + ... + 1599479765.

It is an arithmetic number, because the mean of its divisors is an integer number (28790634600).

Almost surely, 2^211131320334 is an apocalyptic number.

211131320334 is an abundant number, since it is smaller than the sum of its proper divisors (249518833266).

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

211131320334 is a wasteful number, since it uses less digits than its factorization.

211131320334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198959415.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 211131320334 its reverse (433023131112), we get a palindrome (644154451446).

The spelling of 211131320334 in words is "two hundred eleven billion, one hundred thirty-one million, three hundred twenty thousand, three hundred thirty-four".