131343213 has 8 divisors (see below), whose sum is σ = 179395776. Its totient is φ = 85426400.

The previous prime is 131343211. The next prime is 131343221. The reversal of 131343213 is 312343131.

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

It is a cyclic number.

It is not a de Polignac number, because 131343213 - 2¹ = 131343211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131343213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533793 + ... + 534038.

It is an arithmetic number, because the mean of its divisors is an integer number (22424472).

Almost surely, 2^131343213 is an apocalyptic number.

It is an amenable number.

131343213 is a deficient number, since it is larger than the sum of its proper divisors (48052563).

131343213 is a wasteful number, since it uses less digits than its factorization.

131343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067875.

The product of its digits is 648, while the sum is 21.

The square root of 131343213 is about 11460.5066641925. The cubic root of 131343213 is about 508.3184564191.

Adding to 131343213 its reverse (312343131), we get a palindrome (443686344).

The spelling of 131343213 in words is "one hundred thirty-one million, three hundred forty-three thousand, two hundred thirteen".