131201130323020 has 48 divisors (see below), whose sum is σ = 290190906159840. Its totient is φ = 49689633655296.

The previous prime is 131201130323009. The next prime is 131201130323027. The reversal of 131201130323020 is 20323031102131.

It is a junction number, because it is equal to n+sod(n) for n = 131201130322982 and 131201130323000.

It is not an unprimeable number, because it can be changed into a prime (131201130323027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98956617 + ... + 100273696.

It is an arithmetic number, because the mean of its divisors is an integer number (6045643878330).

Almost surely, 2^{131201130323020} is an apocalyptic number.

131201130323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201130323020 is an abundant number, since it is smaller than the sum of its proper divisors (158989775836820).

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

131201130323020 is a wasteful number, since it uses less digits than its factorization.

131201130323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199232074 (or 199232072 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131201130323020 its reverse (20323031102131), we get a palindrome (151524161425151).

The spelling of 131201130323020 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred twenty-three thousand, twenty".