21331130230 has 8 divisors (see below), whose sum is σ = 38396034432. Its totient is φ = 8532452088.

The previous prime is 21331130207. The next prime is 21331130257. The reversal of 21331130230 is 3203113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21331130198 and 21331130207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066556502 + ... + 1066556521.

It is an arithmetic number, because the mean of its divisors is an integer number (4799504304).

Almost surely, 2^21331130230 is an apocalyptic number.

21331130230 is a deficient number, since it is larger than the sum of its proper divisors (17064904202).

21331130230 is a wasteful number, since it uses less digits than its factorization.

21331130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133113030.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21331130230 its reverse (3203113312), we get a palindrome (24534243542).

The spelling of 21331130230 in words is "twenty-one billion, three hundred thirty-one million, one hundred thirty thousand, two hundred thirty".