131241440043240 has 32 divisors (see below), whose sum is σ = 393724320130080. Its totient is φ = 34997717344832.

The previous prime is 131241440043229. The next prime is 131241440043269. The reversal of 131241440043240 is 42340044142131.

It is a happy number.

131241440043240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 546839333394 + ... + 546839333633.

It is an arithmetic number, because the mean of its divisors is an integer number (12303885004065).

Almost surely, 2^{131241440043240} is an apocalyptic number.

131241440043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131241440043240 is an abundant number, since it is smaller than the sum of its proper divisors (262482880086840).

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

131241440043240 is a wasteful number, since it uses less digits than its factorization.

131241440043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093678667041 (or 1093678667037 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131241440043240 its reverse (42340044142131), we get a palindrome (173581484185371).

The spelling of 131241440043240 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred forty million, forty-three thousand, two hundred forty".