131012200331020 has 96 divisors (see below), whose sum is σ = 285879970252800. Its totient is φ = 50372808595200.

The previous prime is 131012200330981. The next prime is 131012200331081. The reversal of 131012200331020 is 20133002210131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207004455 + ... + 207636385.

It is an arithmetic number, because the mean of its divisors is an integer number (2977916356800).

Almost surely, 2^{131012200331020} is an apocalyptic number.

131012200331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131012200331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142939985126400).

131012200331020 is an abundant number, since it is smaller than the sum of its proper divisors (154867769921780).

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

131012200331020 is a wasteful number, since it uses less digits than its factorization.

131012200331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633559 (or 633557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131012200331020 its reverse (20133002210131), we get a palindrome (151145202541151).

The spelling of 131012200331020 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, three hundred thirty-one thousand, twenty".