131131110213 has 12 divisors (see below), whose sum is σ = 189488663520. Its totient is φ = 87385174056.

The previous prime is 131131110211. The next prime is 131131110217. The reversal of 131131110213 is 312011131131.

131131110213 is a `hidden beast` number, since 1 + 311 + 31 + 110 + 213 = 666.

It is not a de Polignac number, because 131131110213 - 2¹ = 131131110211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131110211) 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 11 ways as a sum of consecutive naturals, for example, 2940481 + ... + 2984742.

It is an arithmetic number, because the mean of its divisors is an integer number (15790721960).

Almost surely, 2^131131110213 is an apocalyptic number.

It is an amenable number.

131131110213 is a deficient number, since it is larger than the sum of its proper divisors (58357553307).

131131110213 is a wasteful number, since it uses less digits than its factorization.

131131110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927688 (or 5927685 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 131131110213 its reverse (312011131131), we get a palindrome (443142241344).

The spelling of 131131110213 in words is "one hundred thirty-one billion, one hundred thirty-one million, one hundred ten thousand, two hundred thirteen".