131011443223313 has 4 divisors (see below), whose sum is σ = 131031949012020. Its totient is φ = 130990937434608.

The previous prime is 131011443223301. The next prime is 131011443223327. The reversal of 131011443223313 is 313322344110131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3415961525824 + 127595481697489 = 1848232^2 + 11295817^2 .

It is a cyclic number.

It is not a de Polignac number, because 131011443223313 - 2¹⁴ = 131011443206929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131011443223313.

It is not an unprimeable number, because it can be changed into a prime (131011443223333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10252884770 + ... + 10252897547.

It is an arithmetic number, because the mean of its divisors is an integer number (32757987253005).

Almost surely, 2^{131011443223313} is an apocalyptic number.

It is an amenable number.

131011443223313 is a deficient number, since it is larger than the sum of its proper divisors (20505788707).

131011443223313 is an equidigital number, since it uses as much as digits as its factorization.

131011443223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505788706.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 131011443223313 its reverse (313322344110131), we get a palindrome (444333787333444).

The spelling of 131011443223313 in words is "one hundred thirty-one trillion, eleven billion, four hundred forty-three million, two hundred twenty-three thousand, three hundred thirteen".