13313320032 has 24 divisors (see below), whose sum is σ = 34947465336. Its totient is φ = 4437773312.

The previous prime is 13313320021. The next prime is 13313320039. The reversal of 13313320032 is 23002331331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13313319990 and 13313320008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313320039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69340113 + ... + 69340304.

It is an arithmetic number, because the mean of its divisors is an integer number (1456144389).

Almost surely, 2^13313320032 is an apocalyptic number.

13313320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313320032 is an abundant number, since it is smaller than the sum of its proper divisors (21634145304).

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

13313320032 is a wasteful number, since it uses less digits than its factorization.

13313320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138680430 (or 138680422 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13313320032 its reverse (23002331331), we get a palindrome (36315651363).

The spelling of 13313320032 in words is "thirteen billion, three hundred thirteen million, three hundred twenty thousand, thirty-two".