211131203312 has 40 divisors (see below), whose sum is σ = 422491994496. Its totient is φ = 102146901696.

The previous prime is 211131203293. The next prime is 211131203317. The reversal of 211131203312 is 213302131112.

It is a happy number.

211131203312 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 (211131203317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360388 + ... + 1507619.

Almost surely, 2^211131203312 is an apocalyptic number.

It is an amenable number.

211131203312 is an abundant number, since it is smaller than the sum of its proper divisors (211360791184).

211131203312 is a wasteful number, since it uses less digits than its factorization.

211131203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868165 (or 2868159 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211131203312 its reverse (213302131112), we get a palindrome (424433334424).

The spelling of 211131203312 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred three thousand, three hundred twelve".