2143211334 has 32 divisors (see below), whose sum is σ = 4679009280. Its totient is φ = 649053600.

The previous prime is 2143211333. The next prime is 2143211341. The reversal of 2143211334 is 4331123412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143211333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106864 + ... + 125324.

It is an arithmetic number, because the mean of its divisors is an integer number (146219040).

Almost surely, 2^2143211334 is an apocalyptic number.

2143211334 is an abundant number, since it is smaller than the sum of its proper divisors (2535797946).

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

2143211334 is a wasteful number, since it uses less digits than its factorization.

2143211334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20236.

The product of its digits is 1728, while the sum is 24.

The square root of 2143211334 is about 46294.8305321447. The cubic root of 2143211334 is about 1289.3030175174.

Adding to 2143211334 its reverse (4331123412), we get a palindrome (6474334746).

The spelling of 2143211334 in words is "two billion, one hundred forty-three million, two hundred eleven thousand, three hundred thirty-four".