319843805147 has 4 divisors (see below), whose sum is σ = 319939886520. Its totient is φ = 319747723776.

The previous prime is 319843805129. The next prime is 319843805159. The reversal of 319843805147 is 741508348913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741508348913 = 23 ⋅32239493431.

It is a cyclic number.

It is not a de Polignac number, because 319843805147 - 2¹² = 319843801051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319843802147) 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, 48035693 + ... + 48042350.

It is an arithmetic number, because the mean of its divisors is an integer number (79984971630).

Almost surely, 2^319843805147 is an apocalyptic number.

319843805147 is a deficient number, since it is larger than the sum of its proper divisors (96081373).

319843805147 is an equidigital number, since it uses as much as digits as its factorization.

319843805147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96081372.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 319843805147 in words is "three hundred nineteen billion, eight hundred forty-three million, eight hundred five thousand, one hundred forty-seven".