3171115172 has 12 divisors (see below), whose sum is σ = 5569931136. Its totient is φ = 1579706280.

The previous prime is 3171115139. The next prime is 3171115177. The reversal of 3171115172 is 2715111713.

It is not an unprimeable number, because it can be changed into a prime (3171115177) by changing a digit.

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, 1461608 + ... + 1463775.

It is an arithmetic number, because the mean of its divisors is an integer number (464160928).

Almost surely, 2^3171115172 is an apocalyptic number.

It is an amenable number.

3171115172 is a deficient number, since it is larger than the sum of its proper divisors (2398815964).

3171115172 is a wasteful number, since it uses less digits than its factorization.

3171115172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925658 (or 2925656 counting only the distinct ones).

The product of its digits is 1470, while the sum is 29.

The square root of 3171115172 is about 56312.6555225377. The cubic root of 3171115172 is about 1469.1653323872.

Adding to 3171115172 its reverse (2715111713), we get a palindrome (5886226885).

The spelling of 3171115172 in words is "three billion, one hundred seventy-one million, one hundred fifteen thousand, one hundred seventy-two".