3181104172 has 6 divisors (see below), whose sum is σ = 5566932308. Its totient is φ = 1590552084.

The previous prime is 3181104131. The next prime is 3181104197. The reversal of 3181104172 is 2714011813.

It is a self number, because there is not a number n which added to its sum of digits gives 3181104172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397638018 + ... + 397638025.

Almost surely, 2^3181104172 is an apocalyptic number.

It is an amenable number.

3181104172 is a deficient number, since it is larger than the sum of its proper divisors (2385828136).

3181104172 is a wasteful number, since it uses less digits than its factorization.

3181104172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795276047 (or 795276045 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 3181104172 is about 56401.2781060855. The cubic root of 3181104172 is about 1470.7063370888.

Adding to 3181104172 its reverse (2714011813), we get a palindrome (5895115985).

The spelling of 3181104172 in words is "three billion, one hundred eighty-one million, one hundred four thousand, one hundred seventy-two".