2943131820 has 24 divisors (see below), whose sum is σ = 8240769264. Its totient is φ = 784835136.

The previous prime is 2943131813. The next prime is 2943131897. The reversal of 2943131820 is 281313492.

2943131820 is digitally balanced in base 2, because in such base 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 7 ways as a sum of consecutive naturals, for example, 24526039 + ... + 24526158.

It is an arithmetic number, because the mean of its divisors is an integer number (343365386).

Almost surely, 2^2943131820 is an apocalyptic number.

2943131820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943131820 is an abundant number, since it is smaller than the sum of its proper divisors (5297637444).

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

2943131820 is a wasteful number, since it uses less digits than its factorization.

2943131820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49052209 (or 49052207 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2943131820 is about 54250.6388902472. The cubic root of 2943131820 is about 1433.0782500217.

It can be divided in two parts, 2943131 and 820, that added together give a triangular number (2943951 = T₂₄₂₆).

The spelling of 2943131820 in words is "two billion, nine hundred forty-three million, one hundred thirty-one thousand, eight hundred twenty".