131323313213 has 16 divisors (see below), whose sum is σ = 138830603520. Its totient is φ = 123876470016.

The previous prime is 131323313197. The next prime is 131323313221. The reversal of 131323313213 is 312313323131.

It is a cyclic number.

It is not a de Polignac number, because 131323313213 - 2⁴ = 131323313197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323313273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5560556 + ... + 5584122.

It is an arithmetic number, because the mean of its divisors is an integer number (8676912720).

Almost surely, 2^131323313213 is an apocalyptic number.

It is an amenable number.

131323313213 is a deficient number, since it is larger than the sum of its proper divisors (7507290307).

131323313213 is a wasteful number, since it uses less digits than its factorization.

131323313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24836.

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

Adding to 131323313213 its reverse (312313323131), we get a palindrome (443636636344).

The spelling of 131323313213 in words is "one hundred thirty-one billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred thirteen".