3143442320 has 40 divisors (see below), whose sum is σ = 7345639224. Its totient is φ = 1250988032.

The previous prime is 3143442319. The next prime is 3143442347. The reversal of 3143442320 is 232443413.

It can be written as a sum of positive squares in 4 ways, for example, as 634233856 + 2509208464 = 25184^2 + 50092^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3143442320.

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, 83969 + ... + 115488.

Almost surely, 2^3143442320 is an apocalyptic number.

It is an amenable number.

3143442320 is an abundant number, since it is smaller than the sum of its proper divisors (4202196904).

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

3143442320 is a wasteful number, since it uses less digits than its factorization.

3143442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199667 (or 199661 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3143442320 is about 56066.4099082508. The cubic root of 3143442320 is about 1464.8792656776.

Adding to 3143442320 its reverse (232443413), we get a palindrome (3375885733).

The spelling of 3143442320 in words is "three billion, one hundred forty-three million, four hundred forty-two thousand, three hundred twenty".