131204118 has 8 divisors (see below), whose sum is σ = 262408248. Its totient is φ = 43734704.

The previous prime is 131204111. The next prime is 131204173. The reversal of 131204118 is 811402131.

It is a happy number.

131204118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

131204118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131204094 and 131204103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131204111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933671 + ... + 10933682.

It is an arithmetic number, because the mean of its divisors is an integer number (32801031).

Almost surely, 2^131204118 is an apocalyptic number.

131204118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131204118 is a wasteful number, since it uses less digits than its factorization.

131204118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21867358.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 131204118 is about 11454.4366077079. The cubic root of 131204118 is about 508.1389533499.

Adding to 131204118 its reverse (811402131), we get a palindrome (942606249).

The spelling of 131204118 in words is "one hundred thirty-one million, two hundred four thousand, one hundred eighteen".