131310206 has 4 divisors (see below), whose sum is σ = 196965312. Its totient is φ = 65655102.

The previous prime is 131310199. The next prime is 131310209. The reversal of 131310206 is 602013131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310209) 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 as a sum of consecutive naturals, namely, 32827550 + ... + 32827553.

It is an arithmetic number, because the mean of its divisors is an integer number (49241328).

Almost surely, 2^131310206 is an apocalyptic number.

131310206 is a deficient number, since it is larger than the sum of its proper divisors (65655106).

131310206 is an equidigital number, since it uses as much as digits as its factorization.

131310206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65655105.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 131310206 is about 11459.0665413898. The cubic root of 131310206 is about 508.2758721278.

Adding to 131310206 its reverse (602013131), we get a palindrome (733323337).

The spelling of 131310206 in words is "one hundred thirty-one million, three hundred ten thousand, two hundred six".