3171463812 has 144 divisors (see below), whose sum is σ = 9281126400. Its totient is φ = 903026880.

The previous prime is 3171463787. The next prime is 3171463817. The reversal of 3171463812 is 2183641713.

It is a happy number.

3171463812 is a `hidden beast` number, since 3 + 1 + 7 + 1 + 4 + 638 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3171463817) 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 47 ways as a sum of consecutive naturals, for example, 953889 + ... + 957207.

Almost surely, 2^3171463812 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 3171463812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4640563200).

3171463812 is an abundant number, since it is smaller than the sum of its proper divisors (6109662588).

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

3171463812 is a wasteful number, since it uses less digits than its factorization.

3171463812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3481 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3171463812 is about 56315.7510115953. The cubic root of 3171463812 is about 1469.2191715998.

The spelling of 3171463812 in words is "three billion, one hundred seventy-one million, four hundred sixty-three thousand, eight hundred twelve".