3201244431397 has 2 divisors, whose sum is σ = 3201244431398. Its totient is φ = 3201244431396.

The previous prime is 3201244431373. The next prime is 3201244431419. The reversal of 3201244431397 is 7931344421023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2901166164961 + 300078266436 = 1703281^2 + 547794^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201244431397 - 2³⁵ = 3166884693029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201244431197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600622215698 + 1600622215699.

It is an arithmetic number, because the mean of its divisors is an integer number (1600622215699).

Almost surely, 2^{3201244431397} is an apocalyptic number.

It is an amenable number.

3201244431397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201244431397 is an equidigital number, since it uses as much as digits as its factorization.

3201244431397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 3201244431397 in words is "three trillion, two hundred one billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred ninety-seven".