13020312032 has 96 divisors (see below), whose sum is σ = 31759225344. Its totient is φ = 5116608000.

The previous prime is 13020312017. The next prime is 13020312073. The reversal of 13020312032 is 23021302031.

It is a self number, because there is not a number n which added to its sum of digits gives 13020312032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424907 + ... + 454517.

It is an arithmetic number, because the mean of its divisors is an integer number (330825264).

Almost surely, 2^13020312032 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 13020312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15879612672).

13020312032 is an abundant number, since it is smaller than the sum of its proper divisors (18738913312).

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

13020312032 is a wasteful number, since it uses less digits than its factorization.

13020312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29792 (or 29784 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13020312032 its reverse (23021302031), we get a palindrome (36041614063).

The spelling of 13020312032 in words is "thirteen billion, twenty million, three hundred twelve thousand, thirty-two".