13133444320 has 48 divisors (see below), whose sum is σ = 31036119408. Its totient is φ = 5251962880.

The previous prime is 13133444273. The next prime is 13133444353. The reversal of 13133444320 is 2344433131.

It is a congruent number.

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, 746667 + ... + 764053.

It is an arithmetic number, because the mean of its divisors is an integer number (646585821).

Almost surely, 2^13133444320 is an apocalyptic number.

13133444320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133444320 is an abundant number, since it is smaller than the sum of its proper divisors (17902675088).

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

13133444320 is a wasteful number, since it uses less digits than its factorization.

13133444320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22123 (or 22115 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13133444320 its reverse (2344433131), we get a palindrome (15477877451).

The spelling of 13133444320 in words is "thirteen billion, one hundred thirty-three million, four hundred forty-four thousand, three hundred twenty".