131343203033311 has 4 divisors (see below), whose sum is σ = 132925651262712. Its totient is φ = 129760754803912.

The previous prime is 131343203033309. The next prime is 131343203033447. The reversal of 131343203033311 is 113330302343131.

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 131343203033311 - 2¹ = 131343203033309 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 (131343203063311) 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, 791224114576 + ... + 791224114741.

It is an arithmetic number, because the mean of its divisors is an integer number (33231412815678).

Almost surely, 2^{131343203033311} is an apocalyptic number.

131343203033311 is a deficient number, since it is larger than the sum of its proper divisors (1582448229401).

131343203033311 is an equidigital number, since it uses as much as digits as its factorization.

131343203033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582448229400.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 131343203033311 its reverse (113330302343131), we get a palindrome (244673505376442).

The spelling of 131343203033311 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred three million, thirty-three thousand, three hundred eleven".