211231230332 has 48 divisors (see below), whose sum is σ = 376947410112. Its totient is φ = 103557450240.

The previous prime is 211231230317. The next prime is 211231230337. The reversal of 211231230332 is 233032132112.

It is a junction number, because it is equal to n+sod(n) for n = 211231230298 and 211231230307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231230337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17369198 + ... + 17381354.

It is an arithmetic number, because the mean of its divisors is an integer number (7853071044).

Almost surely, 2^211231230332 is an apocalyptic number.

It is an amenable number.

211231230332 is a deficient number, since it is larger than the sum of its proper divisors (165716179780).

211231230332 is a wasteful number, since it uses less digits than its factorization.

211231230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12678 (or 12676 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211231230332 its reverse (233032132112), we get a palindrome (444263362444).

The spelling of 211231230332 in words is "two hundred eleven billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirty-two".