131201130310020 has 72 divisors (see below), whose sum is σ = 398580672409920. Its totient is φ = 34933877052480.

The previous prime is 131201130310009. The next prime is 131201130310037. The reversal of 131201130310020 is 20013031102131.

131201130310020 is a `hidden beast` number, since 1 + 3 + 1 + 201 + 130 + 310 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131201130309975 and 131201130310002.

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, 552912616 + ... + 553149855.

It is an arithmetic number, because the mean of its divisors is an integer number (5535842672360).

Almost surely, 2^{131201130310020} is an apocalyptic number.

131201130310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201130310020 is an abundant number, since it is smaller than the sum of its proper divisors (267379542099900).

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

131201130310020 is a wasteful number, since it uses less digits than its factorization.

131201130310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106063145 (or 1106063140 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131201130310020 its reverse (20013031102131), we get a palindrome (151214161412151).

The spelling of 131201130310020 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred ten thousand, twenty".