1240042324131 has 12 divisors (see below), whose sum is σ = 1928954726608. Its totient is φ = 763102968624.

The previous prime is 1240042324123. The next prime is 1240042324187. The reversal of 1240042324131 is 1314232400421.

1240042324131 is a `hidden beast` number, since 1 + 240 + 0 + 4 + 2 + 3 + 2 + 413 + 1 = 666.

It is not a de Polignac number, because 1240042324131 - 2³ = 1240042324123 is a prime.

It is a super-2 number, since 2×1240042324131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240042324095 and 1240042324104.

It is not an unprimeable number, because it can be changed into a prime (1240042324121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5299326055 + ... + 5299326288.

Almost surely, 2^{1240042324131} is an apocalyptic number.

1240042324131 is a deficient number, since it is larger than the sum of its proper divisors (688912402477).

1240042324131 is a wasteful number, since it uses less digits than its factorization.

1240042324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598652362 (or 10598652359 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1240042324131 its reverse (1314232400421), we get a palindrome (2554274724552).

The spelling of 1240042324131 in words is "one trillion, two hundred forty billion, forty-two million, three hundred twenty-four thousand, one hundred thirty-one".