21300331113 has 24 divisors (see below), whose sum is σ = 30865985280. Its totient is φ = 14154678720.

The previous prime is 21300331109. The next prime is 21300331123. The reversal of 21300331113 is 31113300312.

It is a happy number.

21300331113 is a `hidden beast` number, since 21 + 300 + 331 + 1 + 13 = 666.

It is not a de Polignac number, because 21300331113 - 2² = 21300331109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21300331123) by changing a digit.

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, 4306720 + ... + 4311662.

It is an arithmetic number, because the mean of its divisors is an integer number (1286082720).

Almost surely, 2^21300331113 is an apocalyptic number.

It is an amenable number.

21300331113 is a deficient number, since it is larger than the sum of its proper divisors (9565654167).

21300331113 is a wasteful number, since it uses less digits than its factorization.

21300331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 21300331113 its reverse (31113300312), we get a palindrome (52413631425).

The spelling of 21300331113 in words is "twenty-one billion, three hundred million, three hundred thirty-one thousand, one hundred thirteen".