131204104 has 8 divisors (see below), whose sum is σ = 246007710. Its totient is φ = 65602048.

The previous prime is 131204093. The next prime is 131204111. The reversal of 131204104 is 401402131.

131204104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 53728900 = 8802^2 + 7330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200249 + ... + 8200264.

Almost surely, 2^131204104 is an apocalyptic number.

It is an amenable number.

131204104 is a deficient number, since it is larger than the sum of its proper divisors (114803606).

131204104 is a wasteful number, since it uses less digits than its factorization.

131204104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400519 (or 16400515 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131204104 is about 11454.4359965910. The cubic root of 131204104 is about 508.1389352764.

Adding to 131204104 its reverse (401402131), we get a palindrome (532606235).

The spelling of 131204104 in words is "one hundred thirty-one million, two hundred four thousand, one hundred four".