131143134323304 has 24 divisors (see below), whose sum is σ = 355179322125810. Its totient is φ = 43714378107744.

The previous prime is 131143134323251. The next prime is 131143134323309. The reversal of 131143134323304 is 403323431341131.

131143134323304 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 3 + 1 + 343 + 2 + 3 + 304 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106158032103204 + 24985102220100 = 10303302^2 + 4998510^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (131143134323309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910716210507 + ... + 910716210650.

Almost surely, 2^{131143134323304} is an apocalyptic number.

It is an amenable number.

131143134323304 is an abundant number, since it is smaller than the sum of its proper divisors (224036187802506).

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

131143134323304 is a wasteful number, since it uses less digits than its factorization.

131143134323304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821432421169 (or 1821432421162 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

Adding to 131143134323304 its reverse (403323431341131), we get a palindrome (534466565664435).

The spelling of 131143134323304 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, three hundred four".