3201332105561 has 2 divisors, whose sum is σ = 3201332105562. Its totient is φ = 3201332105560.

The previous prime is 3201332105533. The next prime is 3201332105563. The reversal of 3201332105561 is 1655012331023.

3201332105561 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., 2026750849600 + 1174581255961 = 1423640^2 + 1083781^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201332105561 - 2⁶ = 3201332105497 is a prime.

Together with 3201332105563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3201332105563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600666052780 + 1600666052781.

It is an arithmetic number, because the mean of its divisors is an integer number (1600666052781).

Almost surely, 2^{3201332105561} is an apocalyptic number.

It is an amenable number.

3201332105561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201332105561 is an equidigital number, since it uses as much as digits as its factorization.

3201332105561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 3201332105561 its reverse (1655012331023), we get a palindrome (4856344436584).

The spelling of 3201332105561 in words is "three trillion, two hundred one billion, three hundred thirty-two million, one hundred five thousand, five hundred sixty-one".