32312330021 has 2 divisors, whose sum is σ = 32312330022. Its totient is φ = 32312330020.

The previous prime is 32312329991. The next prime is 32312330027. The reversal of 32312330021 is 12003321323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30572522500 + 1739807521 = 174850^2 + 41711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32312330021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32312329975 and 32312330002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32312330027) 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, 16156165010 + 16156165011.

It is an arithmetic number, because the mean of its divisors is an integer number (16156165011).

Almost surely, 2^32312330021 is an apocalyptic number.

It is an amenable number.

32312330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32312330021 is an equidigital number, since it uses as much as digits as its factorization.

32312330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32312330021 its reverse (12003321323), we get a palindrome (44315651344).

The spelling of 32312330021 in words is "thirty-two billion, three hundred twelve million, three hundred thirty thousand, twenty-one".