13302312320 has 128 divisors (see below), whose sum is σ = 36732852000. Its totient is φ = 4552622080.

The previous prime is 13302312313. The next prime is 13302312323. The reversal of 13302312320 is 2321320331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13302312292 and 13302312301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302312323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64106 + ... + 175254.

Almost surely, 2^13302312320 is an apocalyptic number.

13302312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13302312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18366426000).

13302312320 is an abundant number, since it is smaller than the sum of its proper divisors (23430539680).

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

13302312320 is a wasteful number, since it uses less digits than its factorization.

13302312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111196 (or 111184 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13302312320 its reverse (2321320331), we get a palindrome (15623632651).

The spelling of 13302312320 in words is "thirteen billion, three hundred two million, three hundred twelve thousand, three hundred twenty".