131241440241240 has 128 divisors (see below), whose sum is σ = 450013729397760. Its totient is φ = 29995171674624.

The previous prime is 131241440241203. The next prime is 131241440241323. The reversal of 131241440241240 is 42142044142131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1307077 + ... + 16253963.

It is an arithmetic number, because the mean of its divisors is an integer number (3515732260920).

Almost surely, 2^{131241440241240} is an apocalyptic number.

131241440241240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131241440241240 is an abundant number, since it is smaller than the sum of its proper divisors (318772289156520).

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

131241440241240 is a wasteful number, since it uses less digits than its factorization.

131241440241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14957361 (or 14957357 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 131241440241240 its reverse (42142044142131), we get a palindrome (173383484383371).

The spelling of 131241440241240 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred forty million, two hundred forty-one thousand, two hundred forty".