3171431972 has 12 divisors (see below), whose sum is σ = 5668091520. Its totient is φ = 1551977256.

The previous prime is 3171431969. The next prime is 3171431999. The reversal of 3171431972 is 2791341713.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8434472 + ... + 8434847.

It is an arithmetic number, because the mean of its divisors is an integer number (472340960).

Almost surely, 2^3171431972 is an apocalyptic number.

It is an amenable number.

3171431972 is a deficient number, since it is larger than the sum of its proper divisors (2496659548).

3171431972 is a wasteful number, since it uses less digits than its factorization.

3171431972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16869370 (or 16869368 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 3171431972 is about 56315.4683191039. The cubic root of 3171431972 is about 1469.2142548276.

The spelling of 3171431972 in words is "three billion, one hundred seventy-one million, four hundred thirty-one thousand, nine hundred seventy-two".