131043040020313 has 8 divisors (see below), whose sum is σ = 132248393621960. Its totient is φ = 129837743216640.

The previous prime is 131043040020301. The next prime is 131043040020323. The reversal of 131043040020313 is 313020040340131.

It can be written as a sum of positive squares in 4 ways, for example, as 21366285927424 + 109676754092889 = 4622368^2 + 10472667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131043040020313 - 2⁴¹ = 128844016764761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131043040020323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9556968 + ... + 18799513.

It is an arithmetic number, because the mean of its divisors is an integer number (16531049202745).

Almost surely, 2^{131043040020313} is an apocalyptic number.

It is an amenable number.

131043040020313 is a deficient number, since it is larger than the sum of its proper divisors (1205353601647).

131043040020313 is a wasteful number, since it uses less digits than its factorization.

131043040020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28398987.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131043040020313 its reverse (313020040340131), we get a palindrome (444063080360444).

The spelling of 131043040020313 in words is "one hundred thirty-one trillion, forty-three billion, forty million, twenty thousand, three hundred thirteen".