231142134122433 has 24 divisors (see below), whose sum is σ = 353923037863200. Its totient is φ = 144861522309504.

The previous prime is 231142134122411. The next prime is 231142134122453. The reversal of 231142134122433 is 334221431241132.

231142134122433 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 4 + 213 + 4 + 1 + 2 + 2 + 433 = 666.

It is not a de Polignac number, because 231142134122433 - 2²¹ = 231142132025281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231142134122453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879224163 + ... + 879487016.

It is an arithmetic number, because the mean of its divisors is an integer number (14746793244300).

Almost surely, 2^{231142134122433} is an apocalyptic number.

It is an amenable number.

231142134122433 is a deficient number, since it is larger than the sum of its proper divisors (122780903740767).

231142134122433 is a wasteful number, since it uses less digits than its factorization.

231142134122433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758712061 (or 1758712058 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 231142134122433 its reverse (334221431241132), we get a palindrome (565363565363565).

The spelling of 231142134122433 in words is "two hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-four million, one hundred twenty-two thousand, four hundred thirty-three".