213211312321332 has 48 divisors (see below), whose sum is σ = 548221334978240. Its totient is φ = 64077818370048.

The previous prime is 213211312321253. The next prime is 213211312321363. The reversal of 213211312321332 is 233123213112312.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213211312321332.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15892309357 + ... + 15892322772.

Almost surely, 2^{213211312321332} is an apocalyptic number.

It is an amenable number.

213211312321332 is an abundant number, since it is smaller than the sum of its proper divisors (335010022656908).

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

213211312321332 is a wasteful number, since it uses less digits than its factorization.

213211312321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31784632192 (or 31784632190 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 213211312321332 its reverse (233123213112312), we get a palindrome (446334525433644).

The spelling of 213211312321332 in words is "two hundred thirteen trillion, two hundred eleven billion, three hundred twelve million, three hundred twenty-one thousand, three hundred thirty-two".