2021323030 has 32 divisors (see below), whose sum is σ = 3814656768. Its totient is φ = 769692000.

The previous prime is 2021323027. The next prime is 2021323043. The reversal of 2021323030 is 303231202.

It is a junction number, because it is equal to n+sod(n) for n = 2021322995 and 2021323013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27705 + ... + 69355.

It is an arithmetic number, because the mean of its divisors is an integer number (119208024).

Almost surely, 2^2021323030 is an apocalyptic number.

2021323030 is a deficient number, since it is larger than the sum of its proper divisors (1793333738).

2021323030 is a wasteful number, since it uses less digits than its factorization.

2021323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41892.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2021323030 is about 44959.1262148187. The cubic root of 2021323030 is about 1264.3827866959.

Adding to 2021323030 its reverse (303231202), we get a palindrome (2324554232).

The spelling of 2021323030 in words is "two billion, twenty-one million, three hundred twenty-three thousand, thirty".