131033310320 has 120 divisors (see below), whose sum is σ = 335127665040. Its totient is φ = 47611238400.

The previous prime is 131033310313. The next prime is 131033310329. The reversal of 131033310320 is 23013330131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131033310292 and 131033310301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033310329) 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, 14408975 + ... + 14418065.

It is an arithmetic number, because the mean of its divisors is an integer number (2792730542).

Almost surely, 2^131033310320 is an apocalyptic number.

131033310320 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 131033310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167563832520).

131033310320 is an abundant number, since it is smaller than the sum of its proper divisors (204094354720).

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

131033310320 is a wasteful number, since it uses less digits than its factorization.

131033310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131033310320 its reverse (23013330131), we get a palindrome (154046640451).

The spelling of 131033310320 in words is "one hundred thirty-one billion, thirty-three million, three hundred ten thousand, three hundred twenty".