131111241 has 16 divisors (see below), whose sum is σ = 178661376. Its totient is φ = 85494656.

The previous prime is 131111221. The next prime is 131111243. The reversal of 131111241 is 142111131.

It is a cyclic number.

It is not a de Polignac number, because 131111241 - 2⁶ = 131111177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131111241.

It is not an unprimeable number, because it can be changed into a prime (131111243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59821 + ... + 61973.

It is an arithmetic number, because the mean of its divisors is an integer number (11166336).

Almost surely, 2^131111241 is an apocalyptic number.

It is an amenable number.

131111241 is a deficient number, since it is larger than the sum of its proper divisors (47550135).

131111241 is a wasteful number, since it uses less digits than its factorization.

131111241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592.

The product of its digits is 24, while the sum is 15.

The square root of 131111241 is about 11450.3816966947. The cubic root of 131111241 is about 508.0190242839.

Adding to 131111241 its reverse (142111131), we get a palindrome (273222372).

The spelling of 131111241 in words is "one hundred thirty-one million, one hundred eleven thousand, two hundred forty-one".