133231031310233 has 2 divisors, whose sum is σ = 133231031310234. Its totient is φ = 133231031310232.

The previous prime is 133231031310211. The next prime is 133231031310287. The reversal of 133231031310233 is 332013130132331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89919930342544 + 43311100967689 = 9482612^2 + 6581117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133231031310233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133231031310196 and 133231031310205.

It is not a weakly prime, because it can be changed into another prime (133231031330233) 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 as a sum of consecutive naturals, namely, 66615515655116 + 66615515655117.

It is an arithmetic number, because the mean of its divisors is an integer number (66615515655117).

Almost surely, 2^{133231031310233} is an apocalyptic number.

It is an amenable number.

133231031310233 is a deficient number, since it is larger than the sum of its proper divisors (1).

133231031310233 is an equidigital number, since it uses as much as digits as its factorization.

133231031310233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 133231031310233 its reverse (332013130132331), we get a palindrome (465244161442564).

The spelling of 133231031310233 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, thirty-one million, three hundred ten thousand, two hundred thirty-three".