131242242341340 has 192 divisors, whose sum is σ = 440384863564800. Its totient is φ = 32256759161088.

The previous prime is 131242242341333. The next prime is 131242242341341. The reversal of 131242242341340 is 43143242242131.

131242242341340 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 42 + 242 + 34 + 1 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131242242341295 and 131242242341304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131242242341341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9558552 + ... + 18810911.

It is an arithmetic number, because the mean of its divisors is an integer number (2293671164400).

Almost surely, 2^{131242242341340} is an apocalyptic number.

131242242341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131242242341340 is an abundant number, since it is smaller than the sum of its proper divisors (309142621223460).

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

131242242341340 is a wasteful number, since it uses less digits than its factorization.

131242242341340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370153 (or 28370145 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 131242242341340 its reverse (43143242242131), we get a palindrome (174385484583471).

The spelling of 131242242341340 in words is "one hundred thirty-one trillion, two hundred forty-two billion, two hundred forty-two million, three hundred forty-one thousand, three hundred forty".