32313023221 has 2 divisors, whose sum is σ = 32313023222. Its totient is φ = 32313023220.

The previous prime is 32313023209. The next prime is 32313023287. The reversal of 32313023221 is 12232031323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25158400996 + 7154622225 = 158614^2 + 84585^2 .

It is a cyclic number.

It is not a de Polignac number, because 32313023221 - 2¹¹ = 32313021173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32313023192 and 32313023201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32313023291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156511610 + 16156511611.

It is an arithmetic number, because the mean of its divisors is an integer number (16156511611).

Almost surely, 2^32313023221 is an apocalyptic number.

It is an amenable number.

32313023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32313023221 is an equidigital number, since it uses as much as digits as its factorization.

32313023221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32313023221 its reverse (12232031323), we get a palindrome (44545054544).

The spelling of 32313023221 in words is "thirty-two billion, three hundred thirteen million, twenty-three thousand, two hundred twenty-one".