32013131320 has 64 divisors (see below), whose sum is σ = 74581171200. Its totient is φ = 12352435200.

The previous prime is 32013131309. The next prime is 32013131327. The reversal of 32013131320 is 2313131023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013131327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323172 + ... + 1347148.

It is an arithmetic number, because the mean of its divisors is an integer number (1165330800).

Almost surely, 2^32013131320 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 32013131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37290585600).

32013131320 is an abundant number, since it is smaller than the sum of its proper divisors (42568039880).

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

32013131320 is a wasteful number, since it uses less digits than its factorization.

32013131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25168 (or 25164 counting only the distinct ones).

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

Adding to 32013131320 its reverse (2313131023), we get a palindrome (34326262343).

The spelling of 32013131320 in words is "thirty-two billion, thirteen million, one hundred thirty-one thousand, three hundred twenty".