32140330021 has 4 divisors (see below), whose sum is σ = 32204740000. Its totient is φ = 32075920044.

The previous prime is 32140330007. The next prime is 32140330031. The reversal of 32140330021 is 12003304123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12003304123 = 3271 ⋅3669613.

It is a cyclic number.

It is not a de Polignac number, because 32140330021 - 2⁹ = 32140329509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32140330031) 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 in 3 ways as a sum of consecutive naturals, for example, 32204241 + ... + 32205238.

It is an arithmetic number, because the mean of its divisors is an integer number (8051185000).

Almost surely, 2^32140330021 is an apocalyptic number.

It is an amenable number.

32140330021 is a deficient number, since it is larger than the sum of its proper divisors (64409979).

32140330021 is an equidigital number, since it uses as much as digits as its factorization.

32140330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64409978.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32140330021 its reverse (12003304123), we get a palindrome (44143634144).

The spelling of 32140330021 in words is "thirty-two billion, one hundred forty million, three hundred thirty thousand, twenty-one".