13213213230 has 128 divisors (see below), whose sum is σ = 37343462400. Its totient is φ = 2929665024.

The previous prime is 13213213201. The next prime is 13213213231. The reversal of 13213213230 is 3231231231.

It is a super-2 number, since 2×13213213230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13213213197 and 13213213206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213213231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 983901 + ... + 997239.

It is an arithmetic number, because the mean of its divisors is an integer number (291745800).

Almost surely, 2^13213213230 is an apocalyptic number.

13213213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13213213230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18671731200).

13213213230 is an abundant number, since it is smaller than the sum of its proper divisors (24130249170).

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

13213213230 is a wasteful number, since it uses less digits than its factorization.

13213213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13213213230 its reverse (3231231231), we get a palindrome (16444444461).

The spelling of 13213213230 in words is "thirteen billion, two hundred thirteen million, two hundred thirteen thousand, two hundred thirty".