21313110230 has 16 divisors (see below), whose sum is σ = 38512877760. Its totient is φ = 8492070912.

The previous prime is 21313110227. The next prime is 21313110233. The reversal of 21313110230 is 3201131312.

It is an interprime number because it is at equal distance from previous prime (21313110227) and next prime (21313110233).

It is a super-2 number, since 2×21313110230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21313110199 and 21313110208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313110233) 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 7 ways as a sum of consecutive naturals, for example, 4143950 + ... + 4149089.

It is an arithmetic number, because the mean of its divisors is an integer number (2407054860).

Almost surely, 2^21313110230 is an apocalyptic number.

21313110230 is a deficient number, since it is larger than the sum of its proper divisors (17199767530).

21313110230 is a wasteful number, since it uses less digits than its factorization.

21313110230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293303.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21313110230 its reverse (3201131312), we get a palindrome (24514241542).

The spelling of 21313110230 in words is "twenty-one billion, three hundred thirteen million, one hundred ten thousand, two hundred thirty".