131343433220013 has 16 divisors (see below), whose sum is σ = 200880907186176. Its totient is φ = 74776440628080.

The previous prime is 131343433220009. The next prime is 131343433220017. The reversal of 131343433220013 is 310022334343131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131343433220009) and next prime (131343433220017).

It is not a de Polignac number, because 131343433220013 - 2² = 131343433220009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343433220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11539568481 + ... + 11539579862.

It is an arithmetic number, because the mean of its divisors is an integer number (12555056699136).

Almost surely, 2^{131343433220013} is an apocalyptic number.

It is an amenable number.

131343433220013 is a deficient number, since it is larger than the sum of its proper divisors (69537473966163).

131343433220013 is a wasteful number, since it uses less digits than its factorization.

131343433220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23079148624.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 131343433220013 its reverse (310022334343131), we get a palindrome (441365767563144).

The spelling of 131343433220013 in words is "one hundred thirty-one trillion, three hundred forty-three billion, four hundred thirty-three million, two hundred twenty thousand, thirteen".