Search a number
-
+
131104241 = 241544001
BaseRepresentation
bin1111101000001…
…11110111110001
3100010200210012122
413310013313301
5232030313431
621002004025
73151240052
oct764076761
9303623178
10131104241
1168006614
1237aa6615
1321214298
14135aa729
15b79aa7b
hex7d07df1

131104241 has 4 divisors (see below), whose sum is σ = 131648484. Its totient is φ = 130560000.

The previous prime is 131104231. The next prime is 131104243. The reversal of 131104241 is 142401131.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80281600 + 50822641 = 8960^2 + 7129^2 .

It is a cyclic number.

It is not a de Polignac number, because 131104241 - 218 = 130842097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131104243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271760 + ... + 272241.

It is an arithmetic number, because the mean of its divisors is an integer number (32912121).

Almost surely, 2131104241 is an apocalyptic number.

It is an amenable number.

131104241 is a deficient number, since it is larger than the sum of its proper divisors (544243).

131104241 is an equidigital number, since it uses as much as digits as its factorization.

131104241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544242.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 131104241 is about 11450.0760259485. The cubic root of 131104241 is about 508.0099831154.

Adding to 131104241 its reverse (142401131), we get a palindrome (273505372).

The spelling of 131104241 in words is "one hundred thirty-one million, one hundred four thousand, two hundred forty-one".

Divisors: 1 241 544001 131104241