21032321331300 has 144 divisors (see below), whose sum is σ = 63328875442560. Its totient is φ = 5382791536640.

The previous prime is 21032321331251. The next prime is 21032321331311. The reversal of 21032321331300 is 313312323012.

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 47 ways as a sum of consecutive naturals, for example, 5785149 + ... + 8690948.

It is an arithmetic number, because the mean of its divisors is an integer number (439783857240).

Almost surely, 2^{21032321331300} is an apocalyptic number.

21032321331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032321331300 is an abundant number, since it is smaller than the sum of its proper divisors (42296554111260).

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

21032321331300 is a wasteful number, since it uses less digits than its factorization.

21032321331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476310 (or 14476303 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21032321331300 its reverse (313312323012), we get a palindrome (21345633654312).

The spelling of 21032321331300 in words is "twenty-one trillion, thirty-two billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred".