331443202117 has 2 divisors, whose sum is σ = 331443202118. Its totient is φ = 331443202116.

The previous prime is 331443202087. The next prime is 331443202141. The reversal of 331443202117 is 711202344133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249446306916 + 81996895201 = 499446^2 + 286351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331443202117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331443202217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165721601058 + 165721601059.

It is an arithmetic number, because the mean of its divisors is an integer number (165721601059).

Almost surely, 2^331443202117 is an apocalyptic number.

It is an amenable number.

331443202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

331443202117 is an equidigital number, since it uses as much as digits as its factorization.

331443202117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 331443202117 in words is "three hundred thirty-one billion, four hundred forty-three million, two hundred two thousand, one hundred seventeen".