131320303212321 has 6 divisors (see below), whose sum is σ = 189684882417810. Its totient is φ = 87546868808208.

The previous prime is 131320303212247. The next prime is 131320303212323. The reversal of 131320303212321 is 123212303023131.

131320303212321 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 20 + 303 + 2 + 12 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120834616550400 + 10485686661921 = 10992480^2 + 3238161^2 .

It is not a de Polignac number, because 131320303212321 - 2⁹ = 131320303211809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131320303212323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7295572400676 + ... + 7295572400693.

It is an arithmetic number, because the mean of its divisors is an integer number (31614147069635).

Almost surely, 2^{131320303212321} is an apocalyptic number.

It is an amenable number.

131320303212321 is a deficient number, since it is larger than the sum of its proper divisors (58364579205489).

131320303212321 is a wasteful number, since it uses less digits than its factorization.

131320303212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591144801375 (or 14591144801372 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131320303212321 its reverse (123212303023131), we get a palindrome (254532606235452).

The spelling of 131320303212321 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred three million, two hundred twelve thousand, three hundred twenty-one".