131115201303144 has 64 divisors (see below), whose sum is σ = 335910268362240. Its totient is φ = 42634764722880.

The previous prime is 131115201303089. The next prime is 131115201303193. The reversal of 131115201303144 is 441303102511131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395656242 + ... + 395987489.

It is an arithmetic number, because the mean of its divisors is an integer number (5248597943160).

Almost surely, 2^{131115201303144} is an apocalyptic number.

It is an amenable number.

131115201303144 is an abundant number, since it is smaller than the sum of its proper divisors (204795067059096).

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

131115201303144 is a wasteful number, since it uses less digits than its factorization.

131115201303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791643910 (or 791643906 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 131115201303144 its reverse (441303102511131), we get a palindrome (572418303814275).

The spelling of 131115201303144 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred one million, three hundred three thousand, one hundred forty-four".