131303320201 has 4 divisors (see below), whose sum is σ = 131304082500. Its totient is φ = 131302557904.

The previous prime is 131303320147. The next prime is 131303320219. The reversal of 131303320201 is 102023303131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102023303131 = 13679 ⋅7458389.

It can be written as a sum of positive squares in 2 ways, for example, as 87822729801 + 43480590400 = 296349^2 + 208520^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303320201 - 2²⁷ = 131169102473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303320231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13275 + ... + 512623.

It is an arithmetic number, because the mean of its divisors is an integer number (32826020625).

Almost surely, 2^131303320201 is an apocalyptic number.

It is an amenable number.

131303320201 is a deficient number, since it is larger than the sum of its proper divisors (762299).

131303320201 is an equidigital number, since it uses as much as digits as its factorization.

131303320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762298.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131303320201 its reverse (102023303131), we get a palindrome (233326623332).

The spelling of 131303320201 in words is "one hundred thirty-one billion, three hundred three million, three hundred twenty thousand, two hundred one".