131312341241 has 4 divisors (see below), whose sum is σ = 131313743184. Its totient is φ = 131310939300.

The previous prime is 131312341231. The next prime is 131312341249. The reversal of 131312341241 is 142143213131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131312341241 - 2¹⁸ = 131312079097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131312341241.

It is not an unprimeable number, because it can be changed into a prime (131312341249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549575 + ... + 751436.

It is an arithmetic number, because the mean of its divisors is an integer number (32828435796).

Almost surely, 2^131312341241 is an apocalyptic number.

It is an amenable number.

131312341241 is a deficient number, since it is larger than the sum of its proper divisors (1401943).

131312341241 is a wasteful number, since it uses less digits than its factorization.

131312341241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401942.

The product of its digits is 1728, while the sum is 26.

Adding to 131312341241 its reverse (142143213131), we get a palindrome (273455554372).

The spelling of 131312341241 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred forty-one thousand, two hundred forty-one".