2143210330 has 16 divisors (see below), whose sum is σ = 3858306120. Its totient is φ = 857166912.

The previous prime is 2143210291. The next prime is 2143210337. The reversal of 2143210330 is 330123412.

It can be written as a sum of positive squares in 4 ways, for example, as 572118561 + 1571091769 = 23919^2 + 39637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2143210298 and 2143210307.

It is not an unprimeable number, because it can be changed into a prime (2143210337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132652 + ... + 147928.

Almost surely, 2^2143210330 is an apocalyptic number.

2143210330 is a deficient number, since it is larger than the sum of its proper divisors (1715095790).

2143210330 is a wasteful number, since it uses less digits than its factorization.

2143210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29313.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2143210330 is about 46294.8196886001. The cubic root of 2143210330 is about 1289.3028161902.

Adding to 2143210330 its reverse (330123412), we get a palindrome (2473333742).

The spelling of 2143210330 in words is "two billion, one hundred forty-three million, two hundred ten thousand, three hundred thirty".