131201421333020 has 12 divisors (see below), whose sum is σ = 275522984799384. Its totient is φ = 52480568533200.

The previous prime is 131201421333013. The next prime is 131201421333041. The reversal of 131201421333020 is 20333124102131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280035533306 + ... + 3280035533345.

It is an arithmetic number, because the mean of its divisors is an integer number (22960248733282).

Almost surely, 2^{131201421333020} is an apocalyptic number.

131201421333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201421333020 is an abundant number, since it is smaller than the sum of its proper divisors (144321563466364).

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

131201421333020 is a wasteful number, since it uses less digits than its factorization.

131201421333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560071066660 (or 6560071066658 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131201421333020 its reverse (20333124102131), we get a palindrome (151534545435151).

The spelling of 131201421333020 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, three hundred thirty-three thousand, twenty".