2142344213 has 8 divisors (see below), whose sum is σ = 2187553368. Its totient is φ = 2097563904.

The previous prime is 2142344207. The next prime is 2142344227. The reversal of 2142344213 is 3124432412.

It can be written as a sum of positive squares in 4 ways, for example, as 91431844 + 2050912369 = 9562^2 + 45287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142344213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142344203) 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 7 ways as a sum of consecutive naturals, for example, 97106 + ... + 117107.

It is an arithmetic number, because the mean of its divisors is an integer number (273444171).

Almost surely, 2^2142344213 is an apocalyptic number.

It is an amenable number.

2142344213 is a deficient number, since it is larger than the sum of its proper divisors (45209155).

2142344213 is a wasteful number, since it uses less digits than its factorization.

2142344213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214423.

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

The square root of 2142344213 is about 46285.4643813800. The cubic root of 2142344213 is about 1289.1291145348.

Adding to 2142344213 its reverse (3124432412), we get a palindrome (5266776625).

The spelling of 2142344213 in words is "two billion, one hundred forty-two million, three hundred forty-four thousand, two hundred thirteen".