32303013021 has 48 divisors (see below), whose sum is σ = 49376870400. Its totient is φ = 20308612896.

The previous prime is 32303013011. The next prime is 32303013157. The reversal of 32303013021 is 12031030323.

32303013021 is a `hidden beast` number, since 32 + 30 + 301 + 302 + 1 = 666.

It is not a de Polignac number, because 32303013021 - 2¹⁹ = 32302488733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32303012985 and 32303013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32303013011) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 18363540 + ... + 18365298.

It is an arithmetic number, because the mean of its divisors is an integer number (1028684800).

Almost surely, 2^32303013021 is an apocalyptic number.

It is an amenable number.

32303013021 is a deficient number, since it is larger than the sum of its proper divisors (17073857379).

32303013021 is a wasteful number, since it uses less digits than its factorization.

32303013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 32303013021 its reverse (12031030323), we get a palindrome (44334043344).

The spelling of 32303013021 in words is "thirty-two billion, three hundred three million, thirteen thousand, twenty-one".