3143442140 has 24 divisors (see below), whose sum is σ = 6669286512. Its totient is φ = 1244413440.

The previous prime is 3143442139. The next prime is 3143442157. The reversal of 3143442140 is 412443413.

It is a congruent number.

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, 808226 + ... + 812105.

It is an arithmetic number, because the mean of its divisors is an integer number (277886938).

Almost surely, 2^3143442140 is an apocalyptic number.

It is an amenable number.

3143442140 is an abundant number, since it is smaller than the sum of its proper divisors (3525844372).

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

3143442140 is a wasteful number, since it uses less digits than its factorization.

3143442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620437 (or 1620435 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 3143442140 is about 56066.4083030115. The cubic root of 3143442140 is about 1464.8792377169.

Adding to 3143442140 its reverse (412443413), we get a palindrome (3555885553).

The spelling of 3143442140 in words is "three billion, one hundred forty-three million, four hundred forty-two thousand, one hundred forty".