13530342330 has 128 divisors (see below), whose sum is σ = 38397888000. Its totient is φ = 3378557952.

The previous prime is 13530342323. The next prime is 13530342409. The reversal of 13530342330 is 3324303531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13530342294 and 13530342303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906004 + ... + 920816.

It is an arithmetic number, because the mean of its divisors is an integer number (299983500).

Almost surely, 2^13530342330 is an apocalyptic number.

13530342330 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 13530342330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19198944000).

13530342330 is an abundant number, since it is smaller than the sum of its proper divisors (24867545670).

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

13530342330 is a wasteful number, since it uses less digits than its factorization.

13530342330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045 (or 15039 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 13530342330 its reverse (3324303531), we get a palindrome (16854645861).

The spelling of 13530342330 in words is "thirteen billion, five hundred thirty million, three hundred forty-two thousand, three hundred thirty".