319047 has 4 divisors (see below), whose sum is σ = 425400. Its totient is φ = 212696.

The previous prime is 319037. The next prime is 319049. The reversal of 319047 is 740913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740913 = 3 ⋅246971.

It is a cyclic number.

It is not a de Polignac number, because 319047 - 2⁴ = 319031 is a prime.

It is a D-number.

319047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53172 + ... + 53177.

It is an arithmetic number, because the mean of its divisors is an integer number (106350).

2³¹⁹⁰⁴⁷ is an apocalyptic number.

319047 is a deficient number, since it is larger than the sum of its proper divisors (106353).

319047 is a wasteful number, since it uses less digits than its factorization.

319047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106352.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 319047 is about 564.8424559114. The cubic root of 319047 is about 68.3310700553.

The spelling of 319047 in words is "three hundred nineteen thousand, forty-seven".