231133312011033 has 12 divisors (see below), whose sum is σ = 345371615649060. Its totient is φ = 148775465202336.

The previous prime is 231133312011031. The next prime is 231133312011037. The reversal of 231133312011033 is 330110213331132.

231133312011033 is a `hidden beast` number, since 2 + 3 + 113 + 331 + 201 + 10 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121077518411529 + 110055793599504 = 11003523^2 + 10490748^2 .

It is not a de Polignac number, because 231133312011033 - 2¹ = 231133312011031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231133312010988 and 231133312011006.

It is not an unprimeable number, because it can be changed into a prime (231133312011031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442784122366 + ... + 442784122887.

It is an arithmetic number, because the mean of its divisors is an integer number (28780967970755).

Almost surely, 2^{231133312011033} is an apocalyptic number.

It is an amenable number.

231133312011033 is a deficient number, since it is larger than the sum of its proper divisors (114238303638027).

231133312011033 is a wasteful number, since it uses less digits than its factorization.

231133312011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885568245288 (or 885568245285 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 231133312011033 its reverse (330110213331132), we get a palindrome (561243525342165).

The spelling of 231133312011033 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, three hundred twelve million, eleven thousand, thirty-three".