131003233320 has 96 divisors (see below), whose sum is σ = 398469088800. Its totient is φ = 34455476736.

The previous prime is 131003233301. The next prime is 131003233327. The reversal of 131003233320 is 23332300131.

It is not an unprimeable number, because it can be changed into a prime (131003233327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537051 + ... + 741909.

It is an arithmetic number, because the mean of its divisors is an integer number (4150719675).

Almost surely, 2^131003233320 is an apocalyptic number.

131003233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131003233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199234544400).

131003233320 is an abundant number, since it is smaller than the sum of its proper divisors (267465855480).

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

131003233320 is a wasteful number, since it uses less digits than its factorization.

131003233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205019 (or 204942 counting only the distinct ones).

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

Adding to 131003233320 its reverse (23332300131), we get a palindrome (154335533451).

The spelling of 131003233320 in words is "one hundred thirty-one billion, three million, two hundred thirty-three thousand, three hundred twenty".