131000042010020 has 48 divisors (see below), whose sum is σ = 275305640171520. Its totient is φ = 52360867345536.

The previous prime is 131000042009987. The next prime is 131000042010041. The reversal of 131000042010020 is 20010240000131.

It is a super-2 number, since 2×131000042010020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000042009977 and 131000042010004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733011794 + ... + 733190486.

It is an arithmetic number, because the mean of its divisors is an integer number (5735534170240).

Almost surely, 2^{131000042010020} is an apocalyptic number.

131000042010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000042010020 is an abundant number, since it is smaller than the sum of its proper divisors (144305598161500).

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

131000042010020 is a wasteful number, since it uses less digits than its factorization.

131000042010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205884 (or 205882 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 131000042010020 its reverse (20010240000131), we get a palindrome (151010282010151).

The spelling of 131000042010020 in words is "one hundred thirty-one trillion, forty-two million, ten thousand, twenty".