2143321334 has 32 divisors (see below), whose sum is σ = 4219257600. Its totient is φ = 791108640.

The previous prime is 2143321333. The next prime is 2143321337. The reversal of 2143321334 is 4331233412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143321333) 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, 363329 + ... + 369180.

It is an arithmetic number, because the mean of its divisors is an integer number (131851800).

Almost surely, 2^2143321334 is an apocalyptic number.

2143321334 is a deficient number, since it is larger than the sum of its proper divisors (2075936266).

2143321334 is a wasteful number, since it uses less digits than its factorization.

2143321334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732548.

The product of its digits is 5184, while the sum is 26.

The square root of 2143321334 is about 46296.0185545150. The cubic root of 2143321334 is about 1289.3250749013.

Adding to 2143321334 its reverse (4331233412), we get a palindrome (6474554746).

The spelling of 2143321334 in words is "two billion, one hundred forty-three million, three hundred twenty-one thousand, three hundred thirty-four".