331405204430141 has 2 divisors, whose sum is σ = 331405204430142. Its totient is φ = 331405204430140.

The previous prime is 331405204430077. The next prime is 331405204430189. The reversal of 331405204430141 is 141034402504133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172590490516900 + 158814713913241 = 13137370^2 + 12602171^2 .

It is an emirp because it is prime and its reverse (141034402504133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331405204430141 - 2⁶ = 331405204430077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331405204420141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165702602215070 + 165702602215071.

It is an arithmetic number, because the mean of its divisors is an integer number (165702602215071).

Almost surely, 2^{331405204430141} is an apocalyptic number.

It is an amenable number.

331405204430141 is a deficient number, since it is larger than the sum of its proper divisors (1).

331405204430141 is an equidigital number, since it uses as much as digits as its factorization.

331405204430141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 331405204430141 its reverse (141034402504133), we get a palindrome (472439606934274).

The spelling of 331405204430141 in words is "three hundred thirty-one trillion, four hundred five billion, two hundred four million, four hundred thirty thousand, one hundred forty-one".