131003200031020 has 48 divisors (see below), whose sum is σ = 300685902789888. Its totient is φ = 47727921070080.

The previous prime is 131003200031009. The next prime is 131003200031021. The reversal of 131003200031020 is 20130002300131.

It is a junction number, because it is equal to n+sod(n) for n = 131003200030985 and 131003200031003.

It is not an unprimeable number, because it can be changed into a prime (131003200031021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6214562517 + ... + 6214583596.

It is an arithmetic number, because the mean of its divisors is an integer number (6264289641456).

Almost surely, 2^{131003200031020} is an apocalyptic number.

131003200031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131003200031020 is an abundant number, since it is smaller than the sum of its proper divisors (169682702758868).

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

131003200031020 is a wasteful number, since it uses less digits than its factorization.

131003200031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12429146170 (or 12429146168 counting only the distinct ones).

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

Adding to 131003200031020 its reverse (20130002300131), we get a palindrome (151133202331151).

The spelling of 131003200031020 in words is "one hundred thirty-one trillion, three billion, two hundred million, thirty-one thousand, twenty".