3201331121897 has 2 divisors, whose sum is σ = 3201331121898. Its totient is φ = 3201331121896.

The previous prime is 3201331121869. The next prime is 3201331121903. The reversal of 3201331121897 is 7981211331023.

3201331121897 is digitally balanced in base 3, 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., 2083276542736 + 1118054579161 = 1443356^2 + 1057381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201331121897 - 2¹⁶ = 3201331056361 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201331121837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600665560948 + 1600665560949.

It is an arithmetic number, because the mean of its divisors is an integer number (1600665560949).

Almost surely, 2^{3201331121897} is an apocalyptic number.

It is an amenable number.

3201331121897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201331121897 is an equidigital number, since it uses as much as digits as its factorization.

3201331121897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 3201331121897 in words is "three trillion, two hundred one billion, three hundred thirty-one million, one hundred twenty-one thousand, eight hundred ninety-seven".