131404342110021 has 12 divisors (see below), whose sum is σ = 192639201369472. Its totient is φ = 86295388847976.

The previous prime is 131404342109959. The next prime is 131404342110059. The reversal of 131404342110021 is 120011243404131.

It is a happy number.

131404342110021 is a `hidden beast` number, since 1 + 3 + 14 + 0 + 434 + 211 + 0 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 131404342110021 - 2¹³ = 131404342101829 is a prime.

It is a super-2 number, since 2×131404342110021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404342110071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108958823701 + ... + 108958824906.

Almost surely, 2^{131404342110021} is an apocalyptic number.

It is an amenable number.

131404342110021 is a deficient number, since it is larger than the sum of its proper divisors (61234859259451).

131404342110021 is a wasteful number, since it uses less digits than its factorization.

131404342110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217917648680 (or 217917648677 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131404342110021 its reverse (120011243404131), we get a palindrome (251415585514152).

The spelling of 131404342110021 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred forty-two million, one hundred ten thousand, twenty-one".