319300193 has 2 divisors, whose sum is σ = 319300194. Its totient is φ = 319300192.

The previous prime is 319300183. The next prime is 319300213. The reversal of 319300193 is 391003913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209323024 + 109977169 = 14468^2 + 10487^2 .

It is a cyclic number.

It is not a de Polignac number, because 319300193 - 2⁶ = 319300129 is a prime.

It is a super-2 number, since 2×319300193² = 203905226499674498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319300183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159650096 + 159650097.

It is an arithmetic number, because the mean of its divisors is an integer number (159650097).

Almost surely, 2^319300193 is an apocalyptic number.

It is an amenable number.

319300193 is a deficient number, since it is larger than the sum of its proper divisors (1).

319300193 is an equidigital number, since it uses as much as digits as its factorization.

319300193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 319300193 is about 17868.9729139646. The cubic root of 319300193 is about 683.4914092883.

The spelling of 319300193 in words is "three hundred nineteen million, three hundred thousand, one hundred ninety-three".