319204349 has 2 divisors, whose sum is σ = 319204350. Its totient is φ = 319204348.

The previous prime is 319204331. The next prime is 319204381. The reversal of 319204349 is 943402913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308248249 + 10956100 = 17557^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 319204349 - 2²⁴ = 302427133 is a prime.

It is equal to p_17234585 and since 319204349 and 17234585 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319203349) 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, 159602174 + 159602175.

It is an arithmetic number, because the mean of its divisors is an integer number (159602175).

Almost surely, 2^319204349 is an apocalyptic number.

It is an amenable number.

319204349 is a deficient number, since it is larger than the sum of its proper divisors (1).

319204349 is an equidigital number, since it uses as much as digits as its factorization.

319204349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 319204349 is about 17866.2908573660. The cubic root of 319204349 is about 683.4230148143.

The spelling of 319204349 in words is "three hundred nineteen million, two hundred four thousand, three hundred forty-nine".