131332206 has 16 divisors (see below), whose sum is σ = 263666304. Its totient is φ = 43610424.

The previous prime is 131332177. The next prime is 131332211. The reversal of 131332206 is 602233131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40036 + ... + 43191.

It is an arithmetic number, because the mean of its divisors is an integer number (16479144).

Almost surely, 2^131332206 is an apocalyptic number.

131332206 is an abundant number, since it is smaller than the sum of its proper divisors (132334098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131332206 is a wasteful number, since it uses less digits than its factorization.

131332206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83495.

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

The square root of 131332206 is about 11460.0264397601. The cubic root of 131332206 is about 508.3042564275.

Adding to 131332206 its reverse (602233131), we get a palindrome (733565337).

The spelling of 131332206 in words is "one hundred thirty-one million, three hundred thirty-two thousand, two hundred six".