13312302144 has 56 divisors (see below), whose sum is σ = 35308458720. Its totient is φ = 4426558464.

The previous prime is 13312302077. The next prime is 13312302169. The reversal of 13312302144 is 44120321331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6234 + ... + 163289.

Almost surely, 2^13312302144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312302144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17654229360).

13312302144 is an abundant number, since it is smaller than the sum of its proper divisors (21996156576).

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

13312302144 is a wasteful number, since it uses less digits than its factorization.

13312302144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169947 (or 169937 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13312302144 its reverse (44120321331), we get a palindrome (57432623475).

The spelling of 13312302144 in words is "thirteen billion, three hundred twelve million, three hundred two thousand, one hundred forty-four".