21030132313230 has 64 divisors (see below), whose sum is σ = 51319008373248. Its totient is φ = 5514027615360.

The previous prime is 21030132313189. The next prime is 21030132313259. The reversal of 21030132313230 is 3231323103012.

It is a super-2 number, since 2×21030132313230² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21030132313230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2715597 + ... + 7030983.

It is an arithmetic number, because the mean of its divisors is an integer number (801859505832).

Almost surely, 2^{21030132313230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21030132313230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25659504186624).

21030132313230 is an abundant number, since it is smaller than the sum of its proper divisors (30288876060018).

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

21030132313230 is a wasteful number, since it uses less digits than its factorization.

21030132313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318121.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21030132313230 its reverse (3231323103012), we get a palindrome (24261455416242).

The spelling of 21030132313230 in words is "twenty-one trillion, thirty billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred thirty".