21300313104 has 120 divisors (see below), whose sum is σ = 69282083520. Its totient is φ = 5982637824.

The previous prime is 21300313091. The next prime is 21300313193. The reversal of 21300313104 is 40131300312.

21300313104 is a `hidden beast` number, since 21 + 300 + 31 + 310 + 4 = 666.

It is a super-2 number, since 2×21300313104² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 119607 + ... + 238550.

It is an arithmetic number, because the mean of its divisors is an integer number (577350696).

Almost surely, 2^21300313104 is an apocalyptic number.

21300313104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21300313104 is an abundant number, since it is smaller than the sum of its proper divisors (47981770416).

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

21300313104 is a wasteful number, since it uses less digits than its factorization.

21300313104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358237 (or 358228 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21300313104 its reverse (40131300312), we get a palindrome (61431613416).

The spelling of 21300313104 in words is "twenty-one billion, three hundred million, three hundred thirteen thousand, one hundred four".