21331232330130 has 48 divisors (see below), whose sum is σ = 55461701542104. Its totient is φ = 5688277597440.

The previous prime is 21331232330087. The next prime is 21331232330237. The reversal of 21331232330130 is 3103323213312.

21331232330130 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 1 + 2 + 323 + 301 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19787915586321 + 1543316743809 = 4448361^2 + 1242303^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21331232330094 and 21331232330103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9619350 + ... + 11627310.

Almost surely, 2^{21331232330130} is an apocalyptic number.

21331232330130 is an abundant number, since it is smaller than the sum of its proper divisors (34130469211974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21331232330130 is a wasteful number, since it uses less digits than its factorization.

21331232330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126011 (or 2126008 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 21331232330130 its reverse (3103323213312), we get a palindrome (24434555543442).

The spelling of 21331232330130 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred thirty-two million, three hundred thirty thousand, one hundred thirty".