131443041100240 has 40 divisors (see below), whose sum is σ = 305627762577960. Its totient is φ = 52573312436736.

The previous prime is 131443041100153. The next prime is 131443041100289. The reversal of 131443041100240 is 42001140344131.

It can be written as a sum of positive squares in 4 ways, for example, as 2033487408016 + 129409553692224 = 1426004^2 + 11375832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 131443041100199 and 131443041100208.

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, 59915799 + ... + 62070838.

It is an arithmetic number, because the mean of its divisors is an integer number (7640694064449).

Almost surely, 2^{131443041100240} is an apocalyptic number.

131443041100240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131443041100240 is an abundant number, since it is smaller than the sum of its proper divisors (174184721477720).

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

131443041100240 is a wasteful number, since it uses less digits than its factorization.

131443041100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122000119 (or 122000113 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131443041100240 its reverse (42001140344131), we get a palindrome (173444181444371).

The spelling of 131443041100240 in words is "one hundred thirty-one trillion, four hundred forty-three billion, forty-one million, one hundred thousand, two hundred forty".