133230231230231 has 4 divisors (see below), whose sum is σ = 133244857458600. Its totient is φ = 133215605001864.

The previous prime is 133230231230179. The next prime is 133230231230347. The reversal of 133230231230231 is 132032132032331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133230231230231 - 2³⁰ = 133229157488407 is a prime.

It is a super-2 number, since 2×133230231230231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133230231230194 and 133230231230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230231230431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7313100521 + ... + 7313118738.

It is an arithmetic number, because the mean of its divisors is an integer number (33311214364650).

Almost surely, 2^{133230231230231} is an apocalyptic number.

133230231230231 is a deficient number, since it is larger than the sum of its proper divisors (14626228369).

133230231230231 is an equidigital number, since it uses as much as digits as its factorization.

133230231230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14626228368.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 133230231230231 its reverse (132032132032331), we get a palindrome (265262363262562).

The spelling of 133230231230231 in words is "one hundred thirty-three trillion, two hundred thirty billion, two hundred thirty-one million, two hundred thirty thousand, two hundred thirty-one".