131030201122020 has 72 divisors (see below), whose sum is σ = 398274413095104. Its totient is φ = 34869638714688.

The previous prime is 131030201121947. The next prime is 131030201122031. The reversal of 131030201122020 is 20221102030131.

131030201122020 is a `hidden beast` number, since 1 + 310 + 30 + 201 + 122 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×131030201122020² (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 = 131030201121984 and 131030201122002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 747289714 + ... + 747465033.

Almost surely, 2^{131030201122020} is an apocalyptic number.

131030201122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131030201122020 is an abundant number, since it is smaller than the sum of its proper divisors (267244211973084).

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

131030201122020 is a wasteful number, since it uses less digits than its factorization.

131030201122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494755249 (or 1494755244 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131030201122020 its reverse (20221102030131), we get a palindrome (151251303152151).

The spelling of 131030201122020 in words is "one hundred thirty-one trillion, thirty billion, two hundred one million, one hundred twenty-two thousand, twenty".