3143404242 has 96 divisors (see below), whose sum is σ = 7699872960. Its totient is φ = 918552960.

The previous prime is 3143404207. The next prime is 3143404249. The reversal of 3143404242 is 2424043413.

It is a happy number.

3143404242 is a `hidden beast` number, since 3 + 14 + 3 + 404 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (3143404249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 616608 + ... + 621684.

It is an arithmetic number, because the mean of its divisors is an integer number (80207010).

Almost surely, 2^3143404242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143404242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849936480).

3143404242 is an abundant number, since it is smaller than the sum of its proper divisors (4556468718).

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

3143404242 is a wasteful number, since it uses less digits than its factorization.

3143404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3143404242 is about 56066.0703277838. The cubic root of 3143404242 is about 1464.8733507292.

Adding to 3143404242 its reverse (2424043413), we get a palindrome (5567447655).

The spelling of 3143404242 in words is "three billion, one hundred forty-three million, four hundred four thousand, two hundred forty-two".