4131305 has 8 divisors (see below), whose sum is σ = 5020800. Its totient is φ = 3262896.

The previous prime is 4131301. The next prime is 4131307. The reversal of 4131305 is 5031314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4131305 - 2² = 4131301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4131301) 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 7 ways as a sum of consecutive naturals, for example, 4835 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (627600).

Almost surely, 2^4131305 is an apocalyptic number.

It is an amenable number.

4131305 is a deficient number, since it is larger than the sum of its proper divisors (889495).

4131305 is a wasteful number, since it uses less digits than its factorization.

4131305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 4131305 is about 2032.5611921908. The cubic root of 4131305 is about 160.4583860308.

Adding to 4131305 its reverse (5031314), we get a palindrome (9162619).

Subtracting 4131305 from its reverse (5031314), we obtain a palindrome (900009).

The spelling of 4131305 in words is "four million, one hundred thirty-one thousand, three hundred five".