2143421030 has 64 divisors (see below), whose sum is σ = 4298184000. Its totient is φ = 765800448.

The previous prime is 2143421029. The next prime is 2143421051. The reversal of 2143421030 is 301243412.

It is a junction number, because it is equal to n+sod(n) for n = 2143420993 and 2143421011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287186 + ... + 294554.

It is an arithmetic number, because the mean of its divisors is an integer number (67159125).

Almost surely, 2^2143421030 is an apocalyptic number.

2143421030 is an abundant number, since it is smaller than the sum of its proper divisors (2154762970).

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

2143421030 is a wasteful number, since it uses less digits than its factorization.

2143421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143421030 is about 46297.0952652540. The cubic root of 2143421030 is about 1289.3450654580.

Adding to 2143421030 its reverse (301243412), we get a palindrome (2444664442).

The spelling of 2143421030 in words is "two billion, one hundred forty-three million, four hundred twenty-one thousand, thirty".