131103330320 has 120 divisors (see below), whose sum is σ = 328550649984. Its totient is φ = 48623710464.

The previous prime is 131103330317. The next prime is 131103330401. The reversal of 131103330320 is 23033301131.

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 = 131103330292 and 131103330301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309067 + ... + 1405653.

Almost surely, 2^131103330320 is an apocalyptic number.

131103330320 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 131103330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164275324992).

131103330320 is an abundant number, since it is smaller than the sum of its proper divisors (197447319664).

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

131103330320 is a wasteful number, since it uses less digits than its factorization.

131103330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96685 (or 96660 counting only the distinct ones).

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

Adding to 131103330320 its reverse (23033301131), we get a palindrome (154136631451).

The spelling of 131103330320 in words is "one hundred thirty-one billion, one hundred three million, three hundred thirty thousand, three hundred twenty".