131303103310321 has 8 divisors (see below), whose sum is σ = 131755817871720. Its totient is φ = 130850419913472.

The previous prime is 131303103310297. The next prime is 131303103310333. The reversal of 131303103310321 is 123013301303131.

It can be written as a sum of positive squares in 4 ways, for example, as 9916452921600 + 121386650388721 = 3149040^2 + 11017561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131303103310321 - 2⁷ = 131303103310193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303103310381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665625 + ... + 16218793.

It is an arithmetic number, because the mean of its divisors is an integer number (16469477233965).

Almost surely, 2^{131303103310321} is an apocalyptic number.

It is an amenable number.

131303103310321 is a deficient number, since it is larger than the sum of its proper divisors (452714561399).

131303103310321 is a wasteful number, since it uses less digits than its factorization.

131303103310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582275.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 131303103310321 its reverse (123013301303131), we get a palindrome (254316404613452).

The spelling of 131303103310321 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred three million, three hundred ten thousand, three hundred twenty-one".