13321021230 has 48 divisors (see below), whose sum is σ = 37783263024. Its totient is φ = 3229338240.

The previous prime is 13321021229. The next prime is 13321021247. The reversal of 13321021230 is 3212012331.

13321021230 is a `hidden beast` number, since 1 + 332 + 102 + 1 + 230 = 666.

It is a super-2 number, since 2×13321021230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 6726799 + ... + 6728778.

It is an arithmetic number, because the mean of its divisors is an integer number (787151313).

Almost surely, 2^13321021230 is an apocalyptic number.

13321021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13321021230 is an abundant number, since it is smaller than the sum of its proper divisors (24462241794).

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

13321021230 is a wasteful number, since it uses less digits than its factorization.

13321021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455601 (or 13455598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13321021230 its reverse (3212012331), we get a palindrome (16533033561).

The spelling of 13321021230 in words is "thirteen billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty".