319503209141 has 2 divisors, whose sum is σ = 319503209142. Its totient is φ = 319503209140.

The previous prime is 319503209029. The next prime is 319503209143. The reversal of 319503209141 is 141902305913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230084268241 + 89418940900 = 479671^2 + 299030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319503209141 is a prime.

It is a Sophie Germain prime.

Together with 319503209143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 319503209095 and 319503209104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319503209143) 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, 159751604570 + 159751604571.

It is an arithmetic number, because the mean of its divisors is an integer number (159751604571).

Almost surely, 2^319503209141 is an apocalyptic number.

It is an amenable number.

319503209141 is a deficient number, since it is larger than the sum of its proper divisors (1).

319503209141 is an equidigital number, since it uses as much as digits as its factorization.

319503209141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 319503209141 in words is "three hundred nineteen billion, five hundred three million, two hundred nine thousand, one hundred forty-one".