211131232032 has 96 divisors (see below), whose sum is σ = 660932600832. Its totient is φ = 57700456704.

The previous prime is 211131231979. The next prime is 211131232043. The reversal of 211131232032 is 230232131112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6814618 + ... + 6845529.

It is an arithmetic number, because the mean of its divisors is an integer number (6884714592).

Almost surely, 2^211131232032 is an apocalyptic number.

It is an amenable number.

211131232032 is an abundant number, since it is smaller than the sum of its proper divisors (449801368800).

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

211131232032 is a wasteful number, since it uses less digits than its factorization.

211131232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13660190 (or 13660182 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211131232032 its reverse (230232131112), we get a palindrome (441363363144).

The spelling of 211131232032 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred thirty-two thousand, thirty-two".