32520313321 has 2 divisors, whose sum is σ = 32520313322. Its totient is φ = 32520313320.

The previous prime is 32520313313. The next prime is 32520313339. The reversal of 32520313321 is 12331302523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19027167721 + 13493145600 = 137939^2 + 116160^2 .

It is a cyclic number.

It is not a de Polignac number, because 32520313321 - 2³ = 32520313313 is a prime.

It is not a weakly prime, because it can be changed into another prime (32520313361) by changing a digit.

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 as a sum of consecutive naturals, namely, 16260156660 + 16260156661.

It is an arithmetic number, because the mean of its divisors is an integer number (16260156661).

Almost surely, 2^32520313321 is an apocalyptic number.

It is an amenable number.

32520313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32520313321 is an equidigital number, since it uses as much as digits as its factorization.

32520313321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 32520313321 its reverse (12331302523), we get a palindrome (44851615844).

The spelling of 32520313321 in words is "thirty-two billion, five hundred twenty million, three hundred thirteen thousand, three hundred twenty-one".