2143313332 has 6 divisors (see below), whose sum is σ = 3750798338. Its totient is φ = 1071656664.

The previous prime is 2143313329. The next prime is 2143313407. The reversal of 2143313332 is 2333133412.

It can be written as a sum of positive squares in only one way, i.e., 1116495396 + 1026817936 = 33414^2 + 32044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2143313297 and 2143313306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267914163 + ... + 267914170.

Almost surely, 2^2143313332 is an apocalyptic number.

It is an amenable number.

2143313332 is a deficient number, since it is larger than the sum of its proper divisors (1607485006).

2143313332 is a wasteful number, since it uses less digits than its factorization.

2143313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535828337 (or 535828335 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

The square root of 2143313332 is about 46295.9321323159. The cubic root of 2143313332 is about 1289.3234703524.

Adding to 2143313332 its reverse (2333133412), we get a palindrome (4476446744).

The spelling of 2143313332 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, three hundred thirty-two".