131100241 has 4 divisors (see below), whose sum is σ = 131157684. Its totient is φ = 131042800.

The previous prime is 131100223. The next prime is 131100251. The reversal of 131100241 is 142001131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142001131 = 83 ⋅1710857.

It can be written as a sum of positive squares in 2 ways, for example, as 18740241 + 112360000 = 4329^2 + 10600^2 .

It is a cyclic number.

It is not a de Polignac number, because 131100241 - 2⁷ = 131100113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131100251) 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, 25150 + ... + 29911.

It is an arithmetic number, because the mean of its divisors is an integer number (32789421).

Almost surely, 2^131100241 is an apocalyptic number.

It is an amenable number.

131100241 is a deficient number, since it is larger than the sum of its proper divisors (57443).

131100241 is an equidigital number, since it uses as much as digits as its factorization.

131100241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57442.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131100241 is about 11449.9013532868. The cubic root of 131100241 is about 508.0048165890.

Adding to 131100241 its reverse (142001131), we get a palindrome (273101372).

The spelling of 131100241 in words is "one hundred thirty-one million, one hundred thousand, two hundred forty-one".