131403021041020 has 12 divisors (see below), whose sum is σ = 275946344186184. Its totient is φ = 52561208416400.

The previous prime is 131403021041009. The next prime is 131403021041021. The reversal of 131403021041020 is 20140120304131.

It is a junction number, because it is equal to n+sod(n) for n = 131403021040982 and 131403021041000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403021041021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285075526006 + ... + 3285075526045.

It is an arithmetic number, because the mean of its divisors is an integer number (22995528682182).

Almost surely, 2^{131403021041020} is an apocalyptic number.

131403021041020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403021041020 is an abundant number, since it is smaller than the sum of its proper divisors (144543323145164).

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

131403021041020 is a wasteful number, since it uses less digits than its factorization.

131403021041020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570151052060 (or 6570151052058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131403021041020 its reverse (20140120304131), we get a palindrome (151543141345151).

The spelling of 131403021041020 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, forty-one thousand, twenty".