2142100342 has 8 divisors (see below), whose sum is σ = 3214818576. Its totient is φ = 1070494152.

The previous prime is 2142100333. The next prime is 2142100343. The reversal of 2142100342 is 2430012412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142100343) 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 3 ways as a sum of consecutive naturals, for example, 273178 + ... + 280909.

It is an arithmetic number, because the mean of its divisors is an integer number (401852322).

Almost surely, 2^2142100342 is an apocalyptic number.

2142100342 is a deficient number, since it is larger than the sum of its proper divisors (1072718234).

2142100342 is a wasteful number, since it uses less digits than its factorization.

2142100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556022.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142100342 is about 46282.8298832299. The cubic root of 2142100342 is about 1289.0801972266.

Adding to 2142100342 its reverse (2430012412), we get a palindrome (4572112754).

The spelling of 2142100342 in words is "two billion, one hundred forty-two million, one hundred thousand, three hundred forty-two".