32304112021 has 2 divisors, whose sum is σ = 32304112022. Its totient is φ = 32304112020.

The previous prime is 32304111997. The next prime is 32304112063. The reversal of 32304112021 is 12021140323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20223684100 + 12080427921 = 142210^2 + 109911^2 .

It is a cyclic number.

It is not a de Polignac number, because 32304112021 - 2⁵ = 32304111989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32304112021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32304112081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16152056010 + 16152056011.

It is an arithmetic number, because the mean of its divisors is an integer number (16152056011).

Almost surely, 2^32304112021 is an apocalyptic number.

It is an amenable number.

32304112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32304112021 is an equidigital number, since it uses as much as digits as its factorization.

32304112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32304112021 its reverse (12021140323), we get a palindrome (44325252344).

The spelling of 32304112021 in words is "thirty-two billion, three hundred four million, one hundred twelve thousand, twenty-one".