21230331032300 has 144 divisors (see below), whose sum is σ = 53649807442560. Its totient is φ = 7220805795840.

The previous prime is 21230331032233. The next prime is 21230331032321. The reversal of 21230331032300 is 323013303212.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9180965 + ... + 11258364.

It is an arithmetic number, because the mean of its divisors is an integer number (372568107240).

Almost surely, 2^{21230331032300} is an apocalyptic number.

21230331032300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21230331032300 is an abundant number, since it is smaller than the sum of its proper divisors (32419476410260).

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

21230331032300 is a wasteful number, since it uses less digits than its factorization.

21230331032300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439420 (or 20439413 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21230331032300 its reverse (323013303212), we get a palindrome (21553344335512).

The spelling of 21230331032300 in words is "twenty-one trillion, two hundred thirty billion, three hundred thirty-one million, thirty-two thousand, three hundred".