2143322313 has 16 divisors (see below), whose sum is σ = 3148431552. Its totient is φ = 1286120000.

The previous prime is 2143322257. The next prime is 2143322317. The reversal of 2143322313 is 3132233412.

It is not a de Polignac number, because 2143322313 - 2¹² = 2143318217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143322317) 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, 318198 + ... + 324863.

It is an arithmetic number, because the mean of its divisors is an integer number (196776972).

Almost surely, 2^2143322313 is an apocalyptic number.

It is an amenable number.

2143322313 is a deficient number, since it is larger than the sum of its proper divisors (1005109239).

2143322313 is a wasteful number, since it uses less digits than its factorization.

2143322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643176.

The product of its digits is 2592, while the sum is 24.

The square root of 2143322313 is about 46296.0291277773. The cubic root of 2143322313 is about 1289.3252712087.

Adding to 2143322313 its reverse (3132233412), we get a palindrome (5275555725).

It can be divided in two parts, 21 and 43322313, that added together give a palindrome (43322334).

The spelling of 2143322313 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, three hundred thirteen".