319148971 has 4 divisors (see below), whose sum is σ = 319184944. Its totient is φ = 319113000.

The previous prime is 319148891. The next prime is 319148993. The reversal of 319148971 is 179841913.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 179841913 = 101 ⋅1780613.

It is a cyclic number.

It is not a de Polignac number, because 319148971 - 2²³ = 310760363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319148371) 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, 5866 + ... + 25936.

It is an arithmetic number, because the mean of its divisors is an integer number (79796236).

Almost surely, 2^319148971 is an apocalyptic number.

319148971 is a deficient number, since it is larger than the sum of its proper divisors (35973).

319148971 is a wasteful number, since it uses less digits than its factorization.

319148971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35972.

The product of its digits is 54432, while the sum is 43.

The square root of 319148971 is about 17864.7410000817. The cubic root of 319148971 is about 683.3834907198.

The spelling of 319148971 in words is "three hundred nineteen million, one hundred forty-eight thousand, nine hundred seventy-one".