131240041331 has 4 divisors (see below), whose sum is σ = 149988618672. Its totient is φ = 112491463992.

The previous prime is 131240041313. The next prime is 131240041357. The reversal of 131240041331 is 133140042131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131240041331 - 2¹⁴ = 131240024947 is a prime.

It is a super-2 number, since 2×131240041331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131240041297 and 131240041306.

It is not an unprimeable number, because it can be changed into a prime (131240041631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9374288660 + ... + 9374288673.

It is an arithmetic number, because the mean of its divisors is an integer number (37497154668).

Almost surely, 2^131240041331 is an apocalyptic number.

131240041331 is a deficient number, since it is larger than the sum of its proper divisors (18748577341).

131240041331 is an equidigital number, since it uses as much as digits as its factorization.

131240041331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748577340.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131240041331 its reverse (133140042131), we get a palindrome (264380083462).

The spelling of 131240041331 in words is "one hundred thirty-one billion, two hundred forty million, forty-one thousand, three hundred thirty-one".