131135213 has 16 divisors (see below), whose sum is σ = 149700096. Its totient is φ = 113707440.

The previous prime is 131135203. The next prime is 131135227. The reversal of 131135213 is 312531131.

It is not a de Polignac number, because 131135213 - 2¹⁰ = 131134189 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 (131135203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148070 + ... + 148952.

It is an arithmetic number, because the mean of its divisors is an integer number (9356256).

Almost surely, 2^131135213 is an apocalyptic number.

It is an amenable number.

131135213 is a deficient number, since it is larger than the sum of its proper divisors (18564883).

131135213 is a wasteful number, since it uses less digits than its factorization.

131135213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its digits is 270, while the sum is 20.

The square root of 131135213 is about 11451.4284261833. The cubic root of 131135213 is about 508.0499839734.

Adding to 131135213 its reverse (312531131), we get a palindrome (443666344).

The spelling of 131135213 in words is "one hundred thirty-one million, one hundred thirty-five thousand, two hundred thirteen".