21313323333300 has 144 divisors (see below), whose sum is σ = 63452153302272. Its totient is φ = 5521104576000.

The previous prime is 21313323333283. The next prime is 21313323333301. The reversal of 21313323333300 is 333332331312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313323333301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5030044 + ... + 8241843.

It is an arithmetic number, because the mean of its divisors is an integer number (440639953488).

Almost surely, 2^{21313323333300} is an apocalyptic number.

21313323333300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21313323333300 is an abundant number, since it is smaller than the sum of its proper divisors (42138829968972).

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

21313323333300 is a wasteful number, since it uses less digits than its factorization.

21313323333300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272058 (or 13272051 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 30.

Adding to 21313323333300 its reverse (333332331312), we get a palindrome (21646655664612).

The spelling of 21313323333300 in words is "twenty-one trillion, three hundred thirteen billion, three hundred twenty-three million, three hundred thirty-three thousand, three hundred".