131048605 has 16 divisors (see below), whose sum is σ = 167875200. Its totient is φ = 97917120.

The previous prime is 131048591. The next prime is 131048609. The reversal of 131048605 is 506840131.

It is not a de Polignac number, because 131048605 - 2⁵ = 131048573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131048609) 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 15 ways as a sum of consecutive naturals, for example, 2970 + ... + 16459.

It is an arithmetic number, because the mean of its divisors is an integer number (10492200).

Almost surely, 2^131048605 is an apocalyptic number.

It is an amenable number.

131048605 is a deficient number, since it is larger than the sum of its proper divisors (36826595).

131048605 is a wasteful number, since it uses less digits than its factorization.

131048605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19524.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 131048605 is about 11447.6462646258. The cubic root of 131048605 is about 507.9381124620.

Adding to 131048605 its reverse (506840131), we get a palindrome (637888736).

The spelling of 131048605 in words is "one hundred thirty-one million, forty-eight thousand, six hundred five".