3171871848 has 64 divisors (see below), whose sum is σ = 8162118720. Its totient is φ = 1026547200.

The previous prime is 3171871847. The next prime is 3171871853. The reversal of 3171871848 is 8481781713.

It is a junction number, because it is equal to n+sod(n) for n = 3171871797 and 3171871806.

It is not an unprimeable number, because it can be changed into a prime (3171871847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199986 + ... + 215262.

It is an arithmetic number, because the mean of its divisors is an integer number (127533105).

Almost surely, 2^3171871848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3171871848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4081059360).

3171871848 is an abundant number, since it is smaller than the sum of its proper divisors (4990246872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3171871848 is a wasteful number, since it uses less digits than its factorization.

3171871848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15538 (or 15534 counting only the distinct ones).

The product of its digits is 301056, while the sum is 48.

The square root of 3171871848 is about 56319.3736470852. The cubic root of 3171871848 is about 1469.2821781105.

The spelling of 3171871848 in words is "three billion, one hundred seventy-one million, eight hundred seventy-one thousand, eight hundred forty-eight".