13131343044311 has 4 divisors (see below), whose sum is σ = 13903774988112. Its totient is φ = 12358911100512.

The previous prime is 13131343044263. The next prime is 13131343044319. The reversal of 13131343044311 is 11344034313131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131343044311 - 2⁶ = 13131343044247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131343044319) 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, 386215971875 + ... + 386215971908.

It is an arithmetic number, because the mean of its divisors is an integer number (3475943747028).

Almost surely, 2^{13131343044311} is an apocalyptic number.

13131343044311 is a deficient number, since it is larger than the sum of its proper divisors (772431943801).

13131343044311 is an equidigital number, since it uses as much as digits as its factorization.

13131343044311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772431943800.

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

Adding to 13131343044311 its reverse (11344034313131), we get a palindrome (24475377357442).

The spelling of 13131343044311 in words is "thirteen trillion, one hundred thirty-one billion, three hundred forty-three million, forty-four thousand, three hundred eleven".