319847713 has 4 divisors (see below), whose sum is σ = 321064128. Its totient is φ = 318631300.

The previous prime is 319847663. The next prime is 319847753. The reversal of 319847713 is 317748913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317748913 = 19 ⋅16723627.

It is a cyclic number.

It is not a de Polignac number, because 319847713 - 2¹⁷ = 319716641 is a prime.

It is a super-2 number, since 2×319847713² = 204605119022660738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319847713.

It is not an unprimeable number, because it can be changed into a prime (319847753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607813 + ... + 608338.

It is an arithmetic number, because the mean of its divisors is an integer number (80266032).

Almost surely, 2^319847713 is an apocalyptic number.

It is an amenable number.

319847713 is a deficient number, since it is larger than the sum of its proper divisors (1216415).

319847713 is a wasteful number, since it uses less digits than its factorization.

319847713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216414.

The product of its digits is 127008, while the sum is 43.

The square root of 319847713 is about 17884.2867624068. The cubic root of 319847713 is about 683.8818584928.

The spelling of 319847713 in words is "three hundred nineteen million, eight hundred forty-seven thousand, seven hundred thirteen".