131444530206 has 32 divisors (see below), whose sum is σ = 288274042368. Its totient is φ = 39625290240.

The previous prime is 131444530201. The next prime is 131444530207. The reversal of 131444530206 is 602035444131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444530201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5146806 + ... + 5172281.

It is an arithmetic number, because the mean of its divisors is an integer number (9008563824).

Almost surely, 2^131444530206 is an apocalyptic number.

131444530206 is an abundant number, since it is smaller than the sum of its proper divisors (156829512162).

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

131444530206 is a wasteful number, since it uses less digits than its factorization.

131444530206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319296.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 131444530206 its reverse (602035444131), we get a palindrome (733479974337).

The spelling of 131444530206 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred thirty thousand, two hundred six".