131031203020 has 12 divisors (see below), whose sum is σ = 275165526384. Its totient is φ = 52412481200.

The previous prime is 131031203011. The next prime is 131031203029. The reversal of 131031203020 is 20302130131.

131031203020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131031203011) and next prime (131031203029).

It is a junction number, because it is equal to n+sod(n) for n = 131031202985 and 131031203003.

It is not an unprimeable number, because it can be changed into a prime (131031203029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275780056 + ... + 3275780095.

It is an arithmetic number, because the mean of its divisors is an integer number (22930460532).

Almost surely, 2^131031203020 is an apocalyptic number.

131031203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131031203020 is an abundant number, since it is smaller than the sum of its proper divisors (144134323364).

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

131031203020 is a wasteful number, since it uses less digits than its factorization.

131031203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551560160 (or 6551560158 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131031203020 its reverse (20302130131), we get a palindrome (151333333151).

The spelling of 131031203020 in words is "one hundred thirty-one billion, thirty-one million, two hundred three thousand, twenty".