131201420144442 has 16 divisors (see below), whose sum is σ = 262414039530432. Its totient is φ = 43731940174560.

The previous prime is 131201420144419. The next prime is 131201420144513. The reversal of 131201420144442 is 244441024102131.

It is a super-2 number, since 2×131201420144442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466482763 + ... + 466763934.

It is an arithmetic number, because the mean of its divisors is an integer number (16400877470652).

Almost surely, 2^{131201420144442} is an apocalyptic number.

131201420144442 is an abundant number, since it is smaller than the sum of its proper divisors (131212619385990).

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

131201420144442 is a wasteful number, since it uses less digits than its factorization.

131201420144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933270133.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 131201420144442 its reverse (244441024102131), we get a palindrome (375642444246573).

The spelling of 131201420144442 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, one hundred forty-four thousand, four hundred forty-two".