131444523326 has 4 divisors (see below), whose sum is σ = 197166784992. Its totient is φ = 65722261662.

The previous prime is 131444523317. The next prime is 131444523347. The reversal of 131444523326 is 623325444131.

131444523326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131444523326.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 32861130830 + ... + 32861130833.

It is an arithmetic number, because the mean of its divisors is an integer number (49291696248).

Almost surely, 2^131444523326 is an apocalyptic number.

131444523326 is a deficient number, since it is larger than the sum of its proper divisors (65722261666).

131444523326 is an equidigital number, since it uses as much as digits as its factorization.

131444523326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65722261665.

The product of its digits is 207360, while the sum is 38.

Adding to 131444523326 its reverse (623325444131), we get a palindrome (754769967457).

The spelling of 131444523326 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred twenty-three thousand, three hundred twenty-six".