21313302330101 has 4 divisors (see below), whose sum is σ = 21313325267232. Its totient is φ = 21313279392972.

The previous prime is 21313302330097. The next prime is 21313302330193. The reversal of 21313302330101 is 10103320331312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21313302330101 - 2² = 21313302330097 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 (21313302380101) 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, 10013195 + ... + 11953688.

It is an arithmetic number, because the mean of its divisors is an integer number (5328331316808).

Almost surely, 2^{21313302330101} is an apocalyptic number.

It is an amenable number.

21313302330101 is a deficient number, since it is larger than the sum of its proper divisors (22937131).

21313302330101 is an equidigital number, since it uses as much as digits as its factorization.

21313302330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22937130.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21313302330101 its reverse (10103320331312), we get a palindrome (31416622661413).

The spelling of 21313302330101 in words is "twenty-one trillion, three hundred thirteen billion, three hundred two million, three hundred thirty thousand, one hundred one".