2143315300 has 72 divisors (see below), whose sum is σ = 5321534400. Its totient is φ = 734006400.

The previous prime is 2143315297. The next prime is 2143315319. The reversal of 2143315300 is 35133412.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098726 + ... + 1100674.

It is an arithmetic number, because the mean of its divisors is an integer number (73910200).

Almost surely, 2^2143315300 is an apocalyptic number.

2143315300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143315300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660767200).

2143315300 is an abundant number, since it is smaller than the sum of its proper divisors (3178219100).

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

2143315300 is a wasteful number, since it uses less digits than its factorization.

2143315300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2143315300 is about 46295.9533868782. The cubic root of 2143315300 is about 1289.3238649731.

Adding to 2143315300 its reverse (35133412), we get a palindrome (2178448712).

The spelling of 2143315300 in words is "two billion, one hundred forty-three million, three hundred fifteen thousand, three hundred".