131322543051 has 32 divisors (see below), whose sum is σ = 204680128000. Its totient is φ = 74862960480.

The previous prime is 131322543049. The next prime is 131322543073. The reversal of 131322543051 is 150345223131.

It is not a de Polignac number, because 131322543051 - 2¹ = 131322543049 is a prime.

It is a super-2 number, since 2×131322543051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131322743051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281640 + ... + 584778.

It is an arithmetic number, because the mean of its divisors is an integer number (6396254000).

Almost surely, 2^131322543051 is an apocalyptic number.

131322543051 is a deficient number, since it is larger than the sum of its proper divisors (73357584949).

131322543051 is an equidigital number, since it uses as much as digits as its factorization.

131322543051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303584 (or 303570 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 131322543051 its reverse (150345223131), we get a palindrome (281667766182).

The spelling of 131322543051 in words is "one hundred thirty-one billion, three hundred twenty-two million, five hundred forty-three thousand, fifty-one".