32321443213 has 4 divisors (see below), whose sum is σ = 32321858940. Its totient is φ = 32321027488.

The previous prime is 32321443211. The next prime is 32321443237. The reversal of 32321443213 is 31234412323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6463838404 + 25857604809 = 80398^2 + 160803^2 .

It is a cyclic number.

It is not a de Polignac number, because 32321443213 - 2¹ = 32321443211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32321443211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52570 + ... + 259627.

It is an arithmetic number, because the mean of its divisors is an integer number (8080464735).

Almost surely, 2^32321443213 is an apocalyptic number.

It is an amenable number.

32321443213 is a deficient number, since it is larger than the sum of its proper divisors (415727).

32321443213 is a wasteful number, since it uses less digits than its factorization.

32321443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415726.

The product of its digits is 10368, while the sum is 28.

Adding to 32321443213 its reverse (31234412323), we get a palindrome (63555855536).

The spelling of 32321443213 in words is "thirty-two billion, three hundred twenty-one million, four hundred forty-three thousand, two hundred thirteen".