2143321032 has 32 divisors (see below), whose sum is σ = 5359596480. Its totient is φ = 714267840.

The previous prime is 2143321013. The next prime is 2143321039. The reversal of 2143321032 is 2301233412.

It is not an unprimeable number, because it can be changed into a prime (2143321039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126198 + ... + 142170.

It is an arithmetic number, because the mean of its divisors is an integer number (167487390).

Almost surely, 2^2143321032 is an apocalyptic number.

It is an amenable number.

2143321032 is an abundant number, since it is smaller than the sum of its proper divisors (3216275448).

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

2143321032 is a wasteful number, since it uses less digits than its factorization.

2143321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573 (or 21569 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2143321032 is about 46296.0152928953. The cubic root of 2143321032 is about 1289.3250143448.

Adding to 2143321032 its reverse (2301233412), we get a palindrome (4444554444).

The spelling of 2143321032 in words is "two billion, one hundred forty-three million, three hundred twenty-one thousand, thirty-two".