3202131440021 has 2 divisors, whose sum is σ = 3202131440022. Its totient is φ = 3202131440020.

The previous prime is 3202131440009. The next prime is 3202131440023. The reversal of 3202131440021 is 1200441312023.

3202131440021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2795232891025 + 406898548996 = 1671895^2 + 637886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3202131440021 - 2¹⁸ = 3202131177877 is a prime.

Together with 3202131440023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3202131440023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601065720010 + 1601065720011.

It is an arithmetic number, because the mean of its divisors is an integer number (1601065720011).

Almost surely, 2^{3202131440021} is an apocalyptic number.

It is an amenable number.

3202131440021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3202131440021 is an equidigital number, since it uses as much as digits as its factorization.

3202131440021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3202131440021 its reverse (1200441312023), we get a palindrome (4402572752044).

The spelling of 3202131440021 in words is "three trillion, two hundred two billion, one hundred thirty-one million, four hundred forty thousand, twenty-one".