21313102323300 has 144 divisors (see below), whose sum is σ = 63145152201600. Its totient is φ = 5548235996160.

The previous prime is 21313102323257. The next prime is 21313102323313. The reversal of 21313102323300 is 332320131312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203857 + ... + 6532056.

It is an arithmetic number, because the mean of its divisors is an integer number (438508001400).

Almost surely, 2^{21313102323300} is an apocalyptic number.

21313102323300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21313102323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31572576100800).

21313102323300 is an abundant number, since it is smaller than the sum of its proper divisors (41832049878300).

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

21313102323300 is a wasteful number, since it uses less digits than its factorization.

21313102323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736182 (or 6736175 counting only the distinct ones).

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

Adding to 21313102323300 its reverse (332320131312), we get a palindrome (21645422454612).

The spelling of 21313102323300 in words is "twenty-one trillion, three hundred thirteen billion, one hundred two million, three hundred twenty-three thousand, three hundred".