231233230133 has 8 divisors (see below), whose sum is σ = 243887313600. Its totient is φ = 218627538048.

The previous prime is 231233230099. The next prime is 231233230139. The reversal of 231233230133 is 331032332132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231233230133 - 2⁶ = 231233230069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231233230139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12088028 + ... + 12107141.

It is an arithmetic number, because the mean of its divisors is an integer number (30485914200).

Almost surely, 2^231233230133 is an apocalyptic number.

It is an amenable number.

231233230133 is a deficient number, since it is larger than the sum of its proper divisors (12654083467).

231233230133 is a wasteful number, since it uses less digits than its factorization.

231233230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24195691.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 231233230133 its reverse (331032332132), we get a palindrome (562265562265).

The spelling of 231233230133 in words is "two hundred thirty-one billion, two hundred thirty-three million, two hundred thirty thousand, one hundred thirty-three".