131011331213 has 24 divisors (see below), whose sum is σ = 153229663584. Its totient is φ = 111685543200.

The previous prime is 131011331167. The next prime is 131011331261. The reversal of 131011331213 is 312133110131.

It is not a de Polignac number, because 131011331213 - 2¹⁰ = 131011330189 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 (131011331263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18720431 + ... + 18727427.

It is an arithmetic number, because the mean of its divisors is an integer number (6384569316).

Almost surely, 2^131011331213 is an apocalyptic number.

It is an amenable number.

131011331213 is a deficient number, since it is larger than the sum of its proper divisors (22218332371).

131011331213 is a wasteful number, since it uses less digits than its factorization.

131011331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033 (or 9026 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131011331213 its reverse (312133110131), we get a palindrome (443144441344).

The spelling of 131011331213 in words is "one hundred thirty-one billion, eleven million, three hundred thirty-one thousand, two hundred thirteen".