231433334133 has 8 divisors (see below), whose sum is σ = 308618183328. Its totient is φ = 154268687184.

The previous prime is 231433334107. The next prime is 231433334161. The reversal of 231433334133 is 331433334132.

231433334133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231433334133 - 2¹⁶ = 231433268597 is a prime.

It is a super-2 number, since 2×231433334133² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231433334094 and 231433334103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231433334173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023810 + ... + 5069667.

It is an arithmetic number, because the mean of its divisors is an integer number (38577272916).

Almost surely, 2^231433334133 is an apocalyptic number.

It is an amenable number.

231433334133 is a deficient number, since it is larger than the sum of its proper divisors (77184849195).

231433334133 is a wasteful number, since it uses less digits than its factorization.

231433334133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101123.

The product of its digits is 69984, while the sum is 33.

Adding to 231433334133 its reverse (331433334132), we get a palindrome (562866668265).

Subtracting 231433334133 from its reverse (331433334132), we obtain a palindrome (99999999999).

The spelling of 231433334133 in words is "two hundred thirty-one billion, four hundred thirty-three million, three hundred thirty-four thousand, one hundred thirty-three".