4021321030 has 8 divisors (see below), whose sum is σ = 7238377872. Its totient is φ = 1608528408.

The previous prime is 4021321027. The next prime is 4021321043. The reversal of 4021321030 is 301231204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4021320995 and 4021321013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201066042 + ... + 201066061.

It is an arithmetic number, because the mean of its divisors is an integer number (904797234).

Almost surely, 2^4021321030 is an apocalyptic number.

4021321030 is a deficient number, since it is larger than the sum of its proper divisors (3217056842).

4021321030 is a wasteful number, since it uses less digits than its factorization.

4021321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402132110.

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

The square root of 4021321030 is about 63413.8867283815. The cubic root of 4021321030 is about 1590.2164743565.

Adding to 4021321030 its reverse (301231204), we get a palindrome (4322552234).

The spelling of 4021321030 in words is "four billion, twenty-one million, three hundred twenty-one thousand, thirty".