319509103 has 2 divisors, whose sum is σ = 319509104. Its totient is φ = 319509102.

The previous prime is 319509079. The next prime is 319509107. The reversal of 319509103 is 301905913.

It is a strong prime.

It is an emirp because it is prime and its reverse (301905913) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319509103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319509107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159754551 + 159754552.

It is an arithmetic number, because the mean of its divisors is an integer number (159754552).

Almost surely, 2^319509103 is an apocalyptic number.

319509103 is a deficient number, since it is larger than the sum of its proper divisors (1).

319509103 is an equidigital number, since it uses as much as digits as its factorization.

319509103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 319509103 is about 17874.8175655026. The cubic root of 319509103 is about 683.6404404757.

The spelling of 319509103 in words is "three hundred nineteen million, five hundred nine thousand, one hundred three".