13320131032 has 64 divisors (see below), whose sum is σ = 28345363200. Its totient is φ = 5817329280.

The previous prime is 13320130979. The next prime is 13320131063. The reversal of 13320131032 is 23013102331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907307 + ... + 1914277.

It is an arithmetic number, because the mean of its divisors is an integer number (442896300).

Almost surely, 2^13320131032 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 13320131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14172681600).

13320131032 is an abundant number, since it is smaller than the sum of its proper divisors (15025232168).

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

13320131032 is a wasteful number, since it uses less digits than its factorization.

13320131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976 (or 7972 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13320131032 its reverse (23013102331), we get a palindrome (36333233363).

The spelling of 13320131032 in words is "thirteen billion, three hundred twenty million, one hundred thirty-one thousand, thirty-two".