231312332033 has 2 divisors, whose sum is σ = 231312332034. Its totient is φ = 231312332032.

The previous prime is 231312332011. The next prime is 231312332051. The reversal of 231312332033 is 330233213132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214560724849 + 16751607184 = 463207^2 + 129428^2 .

It is a cyclic number.

It is not a de Polignac number, because 231312332033 - 2⁸ = 231312331777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231312331993 and 231312332011.

It is not a weakly prime, because it can be changed into another prime (231312232033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656166016 + 115656166017.

It is an arithmetic number, because the mean of its divisors is an integer number (115656166017).

Almost surely, 2^231312332033 is an apocalyptic number.

It is an amenable number.

231312332033 is a deficient number, since it is larger than the sum of its proper divisors (1).

231312332033 is an equidigital number, since it uses as much as digits as its factorization.

231312332033 is an odious number, because the sum of its binary digits is odd.

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

Adding to 231312332033 its reverse (330233213132), we get a palindrome (561545545165).

The spelling of 231312332033 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred thirty-two thousand, thirty-three".