131144213 has 8 divisors (see below), whose sum is σ = 138177600. Its totient is φ = 124123968.

The previous prime is 131144201. The next prime is 131144261. The reversal of 131144213 is 312441131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131144213 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 (131144813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22445 + ... + 27677.

It is an arithmetic number, because the mean of its divisors is an integer number (17272200).

Almost surely, 2^131144213 is an apocalyptic number.

It is an amenable number.

131144213 is a deficient number, since it is larger than the sum of its proper divisors (7033387).

131144213 is a wasteful number, since it uses less digits than its factorization.

131144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571.

The product of its digits is 288, while the sum is 20.

The square root of 131144213 is about 11451.8213835180. The cubic root of 131144213 is about 508.0616064434.

Adding to 131144213 its reverse (312441131), we get a palindrome (443585344).

The spelling of 131144213 in words is "one hundred thirty-one million, one hundred forty-four thousand, two hundred thirteen".