131310301223231 has 4 divisors (see below), whose sum is σ = 141411093625032. Its totient is φ = 121209508821432.

The previous prime is 131310301223197. The next prime is 131310301223237. The reversal of 131310301223231 is 132322103013131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131310301223231 is a prime.

It is a super-2 number, since 2×131310301223231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131310301223231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310301223237) 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, 5050396200881 + ... + 5050396200906.

It is an arithmetic number, because the mean of its divisors is an integer number (35352773406258).

Almost surely, 2^{131310301223231} is an apocalyptic number.

131310301223231 is a deficient number, since it is larger than the sum of its proper divisors (10100792401801).

131310301223231 is a wasteful number, since it uses less digits than its factorization.

131310301223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100792401800.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131310301223231 its reverse (132322103013131), we get a palindrome (263632404236362).

The spelling of 131310301223231 in words is "one hundred thirty-one trillion, three hundred ten billion, three hundred one million, two hundred twenty-three thousand, two hundred thirty-one".