2143055312 has 20 divisors (see below), whose sum is σ = 4154200260. Its totient is φ = 1071003648.

The previous prime is 2143055273. The next prime is 2143055323. The reversal of 2143055312 is 2135503412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 620807056 + 1522248256 = 24916^2 + 39016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114 + ... + 65502.

It is an arithmetic number, because the mean of its divisors is an integer number (207710013).

Almost surely, 2^2143055312 is an apocalyptic number.

It is an amenable number.

2143055312 is a deficient number, since it is larger than the sum of its proper divisors (2011144948).

2143055312 is a wasteful number, since it uses less digits than its factorization.

2143055312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65510 (or 65504 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2143055312 is about 46293.1454105249. The cubic root of 2143055312 is about 1289.2717304307.

Adding to 2143055312 its reverse (2135503412), we get a palindrome (4278558724).

The spelling of 2143055312 in words is "two billion, one hundred forty-three million, fifty-five thousand, three hundred twelve".