3143140812 has 144 divisors (see below), whose sum is σ = 9672167232. Its totient is φ = 840130560.

The previous prime is 3143140801. The next prime is 3143140841. The reversal of 3143140812 is 2180413413.

3143140812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739012 + ... + 743252.

It is an arithmetic number, because the mean of its divisors is an integer number (67167828).

Almost surely, 2^3143140812 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 3143140812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4836083616).

3143140812 is an abundant number, since it is smaller than the sum of its proper divisors (6529026420).

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

3143140812 is a wasteful number, since it uses less digits than its factorization.

3143140812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3143140812 is about 56063.7209967373. The cubic root of 3143140812 is about 1464.8324288138.

The spelling of 3143140812 in words is "three billion, one hundred forty-three million, one hundred forty thousand, eight hundred twelve".