2143213242 has 16 divisors (see below), whose sum is σ = 4346799552. Its totient is φ = 704342240.

The previous prime is 2143213211. The next prime is 2143213249. The reversal of 2143213242 is 2423123412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2143213249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515083 + ... + 2515934.

It is an arithmetic number, because the mean of its divisors is an integer number (271674972).

Almost surely, 2^2143213242 is an apocalyptic number.

2143213242 is an abundant number, since it is smaller than the sum of its proper divisors (2203586310).

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

2143213242 is a wasteful number, since it uses less digits than its factorization.

2143213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031093.

The product of its digits is 2304, while the sum is 24.

The square root of 2143213242 is about 46294.8511391926. The cubic root of 2143213242 is about 1289.3034001192.

Adding to 2143213242 its reverse (2423123412), we get a palindrome (4566336654).

The spelling of 2143213242 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, two hundred forty-two".