2143021300 has 36 divisors (see below), whose sum is σ = 5314694560. Its totient is φ = 734749920.

The previous prime is 2143021261. The next prime is 2143021319. The reversal of 2143021300 is 31203412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530030 + ... + 1531429.

Almost surely, 2^2143021300 is an apocalyptic number.

2143021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143021300 is an abundant number, since it is smaller than the sum of its proper divisors (3171673260).

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

2143021300 is a wasteful number, since it uses less digits than its factorization.

2143021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061480 (or 3061473 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2143021300 is about 46292.7780544655. The cubic root of 2143021300 is about 1289.2649098038.

Adding to 2143021300 its reverse (31203412), we get a palindrome (2174224712).

The spelling of 2143021300 in words is "two billion, one hundred forty-three million, twenty-one thousand, three hundred".