32321231021 has 2 divisors, whose sum is σ = 32321231022. Its totient is φ = 32321231020.

The previous prime is 32321230993. The next prime is 32321231083. The reversal of 32321231021 is 12013212323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27221700100 + 5099530921 = 164990^2 + 71411^2 .

It is a cyclic number.

It is not a de Polignac number, because 32321231021 - 2²⁶ = 32254122157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32321230984 and 32321231002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32321231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16160615510 + 16160615511.

It is an arithmetic number, because the mean of its divisors is an integer number (16160615511).

Almost surely, 2^32321231021 is an apocalyptic number.

It is an amenable number.

32321231021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32321231021 is an equidigital number, since it uses as much as digits as its factorization.

32321231021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32321231021 its reverse (12013212323), we get a palindrome (44334443344).

The spelling of 32321231021 in words is "thirty-two billion, three hundred twenty-one million, two hundred thirty-one thousand, twenty-one".