131044404013020 has 144 divisors (see below), whose sum is σ = 404226835477920. Its totient is φ = 34355973155328.

The previous prime is 131044404013013. The next prime is 131044404013031. The reversal of 131044404013020 is 20310404440131.

131044404013020 is a `hidden beast` number, since 1 + 3 + 104 + 4 + 404 + 0 + 130 + 20 = 666.

It is a super-2 number, since 2×131044404013020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4535367 + ... + 16812446.

It is an arithmetic number, because the mean of its divisors is an integer number (2807130801930).

Almost surely, 2^{131044404013020} is an apocalyptic number.

131044404013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131044404013020 is an abundant number, since it is smaller than the sum of its proper divisors (273182431464900).

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

131044404013020 is a wasteful number, since it uses less digits than its factorization.

131044404013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21348404 (or 21348399 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131044404013020 its reverse (20310404440131), we get a palindrome (151354808453151).

The spelling of 131044404013020 in words is "one hundred thirty-one trillion, forty-four billion, four hundred four million, thirteen thousand, twenty".