21300241331 has 8 divisors (see below), whose sum is σ = 21377436960. Its totient is φ = 21223141632.

The previous prime is 21300241247. The next prime is 21300241357. The reversal of 21300241331 is 13314200312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21300241331 - 2¹⁰ = 21300240307 is a prime.

It is a super-2 number, since 2×21300241331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300241381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436805 + ... + 483113.

It is an arithmetic number, because the mean of its divisors is an integer number (2672179620).

Almost surely, 2^21300241331 is an apocalyptic number.

21300241331 is a deficient number, since it is larger than the sum of its proper divisors (77195629).

21300241331 is a wasteful number, since it uses less digits than its factorization.

21300241331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47965.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21300241331 its reverse (13314200312), we get a palindrome (34614441643).

The spelling of 21300241331 in words is "twenty-one billion, three hundred million, two hundred forty-one thousand, three hundred thirty-one".