133131432233 has 2 divisors, whose sum is σ = 133131432234. Its totient is φ = 133131432232.

The previous prime is 133131432211. The next prime is 133131432263. The reversal of 133131432233 is 332234131331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85189264384 + 47942167849 = 291872^2 + 218957^2 .

It is a cyclic number.

It is not a de Polignac number, because 133131432233 - 2⁶ = 133131432169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133131432196 and 133131432205.

It is not a weakly prime, because it can be changed into another prime (133131432263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66565716116 + 66565716117.

It is an arithmetic number, because the mean of its divisors is an integer number (66565716117).

Almost surely, 2^133131432233 is an apocalyptic number.

It is an amenable number.

133131432233 is a deficient number, since it is larger than the sum of its proper divisors (1).

133131432233 is an equidigital number, since it uses as much as digits as its factorization.

133131432233 is an evil number, because the sum of its binary digits is even.

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

Adding to 133131432233 its reverse (332234131331), we get a palindrome (465365563564).

The spelling of 133131432233 in words is "one hundred thirty-three billion, one hundred thirty-one million, four hundred thirty-two thousand, two hundred thirty-three".