123411343131 has 12 divisors (see below), whose sum is σ = 187642978120. Its totient is φ = 77944006080.

The previous prime is 123411343117. The next prime is 123411343151. The reversal of 123411343131 is 131343114321.

123411343131 is a `hidden beast` number, since 1 + 2 + 341 + 1 + 3 + 4 + 313 + 1 = 666.

It is not a de Polignac number, because 123411343131 - 2⁶ = 123411343067 is a prime.

It is a super-2 number, since 2×123411343131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123411343095 and 123411343104.

It is not an unprimeable number, because it can be changed into a prime (123411343151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360851710 + ... + 360852051.

Almost surely, 2^123411343131 is an apocalyptic number.

123411343131 is a deficient number, since it is larger than the sum of its proper divisors (64231634989).

123411343131 is a wasteful number, since it uses less digits than its factorization.

123411343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721703786 (or 721703783 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 123411343131 its reverse (131343114321), we get a palindrome (254754457452).

The spelling of 123411343131 in words is "one hundred twenty-three billion, four hundred eleven million, three hundred forty-three thousand, one hundred thirty-one".