21031304301 has 24 divisors (see below), whose sum is σ = 35838293504. Its totient is φ = 11630213280.

The previous prime is 21031304291. The next prime is 21031304303. The reversal of 21031304301 is 10340313012.

21031304301 is a `hidden beast` number, since 2 + 103 + 130 + 430 + 1 = 666.

It is not a de Polignac number, because 21031304301 - 2⁶ = 21031304237 is a prime.

It is a super-2 number, since 2×21031304301² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031304303) 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, 5382406 + ... + 5386311.

Almost surely, 2^21031304301 is an apocalyptic number.

21031304301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21031304301 is a deficient number, since it is larger than the sum of its proper divisors (14806989203).

21031304301 is a wasteful number, since it uses less digits than its factorization.

21031304301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10768761 (or 10768758 counting only the distinct ones).

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

Adding to 21031304301 its reverse (10340313012), we get a palindrome (31371617313).

The spelling of 21031304301 in words is "twenty-one billion, thirty-one million, three hundred four thousand, three hundred one".