131342223210021 has 48 divisors (see below), whose sum is σ = 195213867488640. Its totient is φ = 85044055818240.

The previous prime is 131342223210007. The next prime is 131342223210047. The reversal of 131342223210021 is 120012322243131.

131342223210021 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 422 + 2 + 3 + 210 + 0 + 21 = 666.

It is not a de Polignac number, because 131342223210021 - 2¹³ = 131342223201829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131342223210061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92527525 + ... + 93936293.

It is an arithmetic number, because the mean of its divisors is an integer number (4066955572680).

Almost surely, 2^{131342223210021} is an apocalyptic number.

It is an amenable number.

131342223210021 is a deficient number, since it is larger than the sum of its proper divisors (63871644278619).

131342223210021 is a wasteful number, since it uses less digits than its factorization.

131342223210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409946 (or 1409943 counting only the distinct ones).

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

Adding to 131342223210021 its reverse (120012322243131), we get a palindrome (251354545453152).

The spelling of 131342223210021 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred twenty-three million, two hundred ten thousand, twenty-one".