131303010232313 has 4 divisors (see below), whose sum is σ = 131306650193268. Its totient is φ = 131299370271360.

The previous prime is 131303010232271. The next prime is 131303010232321. The reversal of 131303010232313 is 313232010303131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106769483716624 + 24533526515689 = 10332932^2 + 4953133^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303010232313 - 2³⁸ = 131028132325369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303010232333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819926368 + ... + 1819998513.

It is an arithmetic number, because the mean of its divisors is an integer number (32826662548317).

Almost surely, 2^{131303010232313} is an apocalyptic number.

It is an amenable number.

131303010232313 is a deficient number, since it is larger than the sum of its proper divisors (3639960955).

131303010232313 is an equidigital number, since it uses as much as digits as its factorization.

131303010232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639960954.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 131303010232313 its reverse (313232010303131), we get a palindrome (444535020535444).

The spelling of 131303010232313 in words is "one hundred thirty-one trillion, three hundred three billion, ten million, two hundred thirty-two thousand, three hundred thirteen".