2142213143 has 4 divisors (see below), whose sum is σ = 2448243600. Its totient is φ = 1836182688.

The previous prime is 2142213137. The next prime is 2142213187. The reversal of 2142213143 is 3413122412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142213143 - 2⁴ = 2142213127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142213103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153015218 + ... + 153015231.

It is an arithmetic number, because the mean of its divisors is an integer number (612060900).

Almost surely, 2^2142213143 is an apocalyptic number.

2142213143 is a deficient number, since it is larger than the sum of its proper divisors (306030457).

2142213143 is an equidigital number, since it uses as much as digits as its factorization.

2142213143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306030456.

The product of its digits is 1152, while the sum is 23.

The square root of 2142213143 is about 46284.0484724489. The cubic root of 2142213143 is about 1289.1028240819.

Adding to 2142213143 its reverse (3413122412), we get a palindrome (5555335555).

The spelling of 2142213143 in words is "two billion, one hundred forty-two million, two hundred thirteen thousand, one hundred forty-three".