131000030323020 has 144 divisors (see below), whose sum is σ = 410566560086592. Its totient is φ = 33791486077440.

The previous prime is 131000030322943. The next prime is 131000030323027. The reversal of 131000030323020 is 20323030000131.

131000030323020 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 0 + 30 + 323 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×131000030323020² (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 = 131000030322984 and 131000030323002.

It is not an unprimeable number, because it can be changed into a prime (131000030323027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96024487 + ... + 97379166.

It is an arithmetic number, because the mean of its divisors is an integer number (2851156667268).

Almost surely, 2^{131000030323020} is an apocalyptic number.

131000030323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000030323020 is an abundant number, since it is smaller than the sum of its proper divisors (279566529763572).

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

131000030323020 is a wasteful number, since it uses less digits than its factorization.

131000030323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193403792 (or 193403787 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 131000030323020 its reverse (20323030000131), we get a palindrome (151323060323151).

The spelling of 131000030323020 in words is "one hundred thirty-one trillion, thirty million, three hundred twenty-three thousand, twenty".