21300310201231 has 4 divisors (see below), whose sum is σ = 21315891994992. Its totient is φ = 21284728407472.

The previous prime is 21300310201199. The next prime is 21300310201237. The reversal of 21300310201231 is 13210201300312.

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

It is a cyclic number.

It is not a de Polignac number, because 21300310201231 - 2⁵ = 21300310201199 is a prime.

It is a super-2 number, since 2×21300310201231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21300310201199 and 21300310201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300310201237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7790894830 + ... + 7790897563.

It is an arithmetic number, because the mean of its divisors is an integer number (5328972998748).

Almost surely, 2^{21300310201231} is an apocalyptic number.

21300310201231 is a deficient number, since it is larger than the sum of its proper divisors (15581793761).

21300310201231 is a wasteful number, since it uses less digits than its factorization.

21300310201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15581793760.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21300310201231 its reverse (13210201300312), we get a palindrome (34510511501543).

The spelling of 21300310201231 in words is "twenty-one trillion, three hundred billion, three hundred ten million, two hundred one thousand, two hundred thirty-one".