21310224301 has 4 divisors (see below), whose sum is σ = 21310937500. Its totient is φ = 21309511104.

The previous prime is 21310224289. The next prime is 21310224317. The reversal of 21310224301 is 10342201312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11886668676 + 9423555625 = 109026^2 + 97075^2 .

It is a cyclic number.

It is not a de Polignac number, because 21310224301 - 2¹¹ = 21310222253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310224361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309726 + ... + 372223.

It is an arithmetic number, because the mean of its divisors is an integer number (5327734375).

Almost surely, 2^21310224301 is an apocalyptic number.

It is an amenable number.

21310224301 is a deficient number, since it is larger than the sum of its proper divisors (713199).

21310224301 is an equidigital number, since it uses as much as digits as its factorization.

21310224301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713198.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21310224301 its reverse (10342201312), we get a palindrome (31652425613).

The spelling of 21310224301 in words is "twenty-one billion, three hundred ten million, two hundred twenty-four thousand, three hundred one".