131314213 has 4 divisors (see below), whose sum is σ = 131345388. Its totient is φ = 131283040.

The previous prime is 131314207. The next prime is 131314223. The reversal of 131314213 is 312413131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 62457409 = 8298^2 + 7903^2 .

It is a cyclic number.

It is not a de Polignac number, because 131314213 - 2¹⁷ = 131183141 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 (131314223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8056 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (32836347).

Almost surely, 2^131314213 is an apocalyptic number.

It is an amenable number.

131314213 is a deficient number, since it is larger than the sum of its proper divisors (31175).

131314213 is an equidigital number, since it uses as much as digits as its factorization.

131314213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31174.

The product of its digits is 216, while the sum is 19.

The square root of 131314213 is about 11459.2413797773. The cubic root of 131314213 is about 508.2810421770.

Adding to 131314213 its reverse (312413131), we get a palindrome (443727344).

The spelling of 131314213 in words is "one hundred thirty-one million, three hundred fourteen thousand, two hundred thirteen".