319343 has 2 divisors, whose sum is σ = 319344. Its totient is φ = 319342.

The previous prime is 319339. The next prime is 319351. The reversal of 319343 is 343913.

It is a weak prime.

It is an emirp because it is prime and its reverse (343913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319343 - 2² = 319339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159671 + 159672.

It is an arithmetic number, because the mean of its divisors is an integer number (159672).

2³¹⁹³⁴³ is an apocalyptic number.

319343 is a deficient number, since it is larger than the sum of its proper divisors (1).

319343 is an equidigital number, since it uses as much as digits as its factorization.

319343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 319343 is about 565.1044151305. The cubic root of 319343 is about 68.3521952029.

The spelling of 319343 in words is "three hundred nineteen thousand, three hundred forty-three".