131142203300421 has 12 divisors (see below), whose sum is σ = 189428662368972. Its totient is φ = 87427657666176.

The previous prime is 131142203300419. The next prime is 131142203300429. The reversal of 131142203300421 is 124003302241131.

131142203300421 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 2 + 203 + 30 + 0 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 994856630625 + 130147346669796 = 997425^2 + 11408214^2 .

It is not a de Polignac number, because 131142203300421 - 2¹ = 131142203300419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142203300429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38080206 + ... + 41380991.

It is an arithmetic number, because the mean of its divisors is an integer number (15785721864081).

Almost surely, 2^{131142203300421} is an apocalyptic number.

It is an amenable number.

131142203300421 is a deficient number, since it is larger than the sum of its proper divisors (58286459068551).

131142203300421 is a wasteful number, since it uses less digits than its factorization.

131142203300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79644580 (or 79644577 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131142203300421 its reverse (124003302241131), we get a palindrome (255145505541552).

The spelling of 131142203300421 in words is "one hundred thirty-one trillion, one hundred forty-two billion, two hundred three million, three hundred thousand, four hundred twenty-one".