131000200423020 has 36 divisors (see below), whose sum is σ = 397367274617040. Its totient is φ = 34933386779424.

The previous prime is 131000200423013. The next prime is 131000200423069. The reversal of 131000200423020 is 20324002000131.

131000200423020 is a `hidden beast` number, since 13 + 10 + 0 + 0 + 200 + 423 + 0 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×131000200423020² (a number of 29 digits) contains 22 as substring.

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 = 131000200422984 and 131000200423002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363889445440 + ... + 363889445799.

Almost surely, 2^{131000200423020} is an apocalyptic number.

131000200423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000200423020 is an abundant number, since it is smaller than the sum of its proper divisors (266367074194020).

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

131000200423020 is a wasteful number, since it uses less digits than its factorization.

131000200423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727778891254 (or 727778891249 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 131000200423020 its reverse (20324002000131), we get a palindrome (151324202423151).

The spelling of 131000200423020 in words is "one hundred thirty-one trillion, two hundred million, four hundred twenty-three thousand, twenty".