131143441205 has 16 divisors (see below), whose sum is σ = 180003673344. Its totient is φ = 89852025600.

The previous prime is 131143441199. The next prime is 131143441243. The reversal of 131143441205 is 502144341131.

It is not a de Polignac number, because 131143441205 - 2³⁰ = 130069699381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517897 + ... + 1601966.

It is an arithmetic number, because the mean of its divisors is an integer number (11250229584).

Almost surely, 2^131143441205 is an apocalyptic number.

It is an amenable number.

131143441205 is a deficient number, since it is larger than the sum of its proper divisors (48860232139).

131143441205 is a wasteful number, since it uses less digits than its factorization.

131143441205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121076.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 131143441205 its reverse (502144341131), we get a palindrome (633287782336).

The spelling of 131143441205 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred forty-one thousand, two hundred five".