131351343044533 has 4 divisors (see below), whose sum is σ = 131621058328480. Its totient is φ = 131081627760588.

The previous prime is 131351343044489. The next prime is 131351343044539. The reversal of 131351343044533 is 335440343153131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131351343044533 - 2²⁵ = 131351309490101 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 131351343044533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131351343044539) 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, 134857641243 + ... + 134857642216.

It is an arithmetic number, because the mean of its divisors is an integer number (32905264582120).

Almost surely, 2^{131351343044533} is an apocalyptic number.

It is an amenable number.

131351343044533 is a deficient number, since it is larger than the sum of its proper divisors (269715283947).

131351343044533 is an equidigital number, since it uses as much as digits as its factorization.

131351343044533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269715283946.

The product of its (nonzero) digits is 1166400, while the sum is 43.

Adding to 131351343044533 its reverse (335440343153131), we get a palindrome (466791686197664).

The spelling of 131351343044533 in words is "one hundred thirty-one trillion, three hundred fifty-one billion, three hundred forty-three million, forty-four thousand, five hundred thirty-three".