1231143114042 has 12 divisors (see below), whose sum is σ = 2667476747130. Its totient is φ = 410381038008.

The previous prime is 1231143114013. The next prime is 1231143114059. The reversal of 1231143114042 is 2404113411321.

It is a happy number.

1231143114042 is a `hidden beast` number, since 1 + 231 + 14 + 3 + 11 + 404 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 935110274121 + 296032839921 = 967011^2 + 544089^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231143113997 and 1231143114015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34198419817 + ... + 34198419852.

Almost surely, 2^{1231143114042} is an apocalyptic number.

1231143114042 is an abundant number, since it is smaller than the sum of its proper divisors (1436333633088).

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

1231143114042 is a wasteful number, since it uses less digits than its factorization.

1231143114042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68396839677 (or 68396839674 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1231143114042 its reverse (2404113411321), we get a palindrome (3635256525363).

The spelling of 1231143114042 in words is "one trillion, two hundred thirty-one billion, one hundred forty-three million, one hundred fourteen thousand, forty-two".