131330611306 has 16 divisors (see below), whose sum is σ = 197489341224. Its totient is φ = 65501037504.

The previous prime is 131330611289. The next prime is 131330611327. The reversal of 131330611306 is 603116033131.

It can be written as a sum of positive squares in 4 ways, for example, as 72891900225 + 58438711081 = 269985^2 + 241741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240596 + ... + 1342288.

Almost surely, 2^131330611306 is an apocalyptic number.

131330611306 is a deficient number, since it is larger than the sum of its proper divisors (66158729918).

131330611306 is a wasteful number, since it uses less digits than its factorization.

131330611306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103305.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 131330611306 its reverse (603116033131), we get a palindrome (734446644437).

The spelling of 131330611306 in words is "one hundred thirty-one billion, three hundred thirty million, six hundred eleven thousand, three hundred six".