331201221203141 has 2 divisors, whose sum is σ = 331201221203142. Its totient is φ = 331201221203140.

The previous prime is 331201221203057. The next prime is 331201221203207. The reversal of 331201221203141 is 141302122102133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287748457922500 + 43452763280641 = 16963150^2 + 6591871^2 .

It is a cyclic number.

It is not a de Polignac number, because 331201221203141 - 2¹⁴ = 331201221186757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331201221203141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331201221203341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600610601570 + 165600610601571.

It is an arithmetic number, because the mean of its divisors is an integer number (165600610601571).

Almost surely, 2^{331201221203141} is an apocalyptic number.

It is an amenable number.

331201221203141 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201221203141 is an equidigital number, since it uses as much as digits as its factorization.

331201221203141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 331201221203141 its reverse (141302122102133), we get a palindrome (472503343305274).

The spelling of 331201221203141 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred twenty-one million, two hundred three thousand, one hundred forty-one".