131143420323 has 6 divisors (see below), whose sum is σ = 189429384924. Its totient is φ = 87428946876.

The previous prime is 131143420271. The next prime is 131143420327. The reversal of 131143420323 is 323024341131.

It is a happy number.

131143420323 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 434 + 203 + 23 = 666.

It is not a de Polignac number, because 131143420323 - 2⁶ = 131143420259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131143420327) 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 5 ways as a sum of consecutive naturals, for example, 7285745565 + ... + 7285745582.

It is an arithmetic number, because the mean of its divisors is an integer number (31571564154).

Almost surely, 2^131143420323 is an apocalyptic number.

131143420323 is a deficient number, since it is larger than the sum of its proper divisors (58285964601).

131143420323 is a wasteful number, since it uses less digits than its factorization.

131143420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571491153 (or 14571491150 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131143420323 its reverse (323024341131), we get a palindrome (454167761454).

The spelling of 131143420323 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred twenty thousand, three hundred twenty-three".