231142241133 has 48 divisors (see below), whose sum is σ = 345314586240. Its totient is φ = 148905993600.

The previous prime is 231142241107. The next prime is 231142241179. The reversal of 231142241133 is 331142241132.

231142241133 is a `hidden beast` number, since 231 + 1 + 422 + 4 + 1 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 231142241133 - 2⁹ = 231142240621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231142241097 and 231142241106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231142241933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39994038 + ... + 39999816.

It is an arithmetic number, because the mean of its divisors is an integer number (7194053880).

Almost surely, 2^231142241133 is an apocalyptic number.

It is an amenable number.

231142241133 is a deficient number, since it is larger than the sum of its proper divisors (114172345107).

231142241133 is a wasteful number, since it uses less digits than its factorization.

231142241133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7087 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 231142241133 its reverse (331142241132), we get a palindrome (562284482265).

Subtracting 231142241133 from its reverse (331142241132), we obtain a palindrome (99999999999).

The spelling of 231142241133 in words is "two hundred thirty-one billion, one hundred forty-two million, two hundred forty-one thousand, one hundred thirty-three".