32040330221 has 2 divisors, whose sum is σ = 32040330222. Its totient is φ = 32040330220.

The previous prime is 32040330199. The next prime is 32040330263. The reversal of 32040330221 is 12203304023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17262280996 + 14778049225 = 131386^2 + 121565^2 .

It is a cyclic number.

It is not a de Polignac number, because 32040330221 - 2²² = 32036135917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32040330193 and 32040330202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32040330521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16020165110 + 16020165111.

It is an arithmetic number, because the mean of its divisors is an integer number (16020165111).

Almost surely, 2^32040330221 is an apocalyptic number.

It is an amenable number.

32040330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32040330221 is an equidigital number, since it uses as much as digits as its factorization.

32040330221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32040330221 its reverse (12203304023), we get a palindrome (44243634244).

The spelling of 32040330221 in words is "thirty-two billion, forty million, three hundred thirty thousand, two hundred twenty-one".