233221333510481 has 2 divisors, whose sum is σ = 233221333510482. Its totient is φ = 233221333510480.

The previous prime is 233221333510471. The next prime is 233221333510591. The reversal of 233221333510481 is 184015333122332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211839874278400 + 21381459232081 = 14554720^2 + 4624009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233221333510481 is a prime.

It is a super-2 number, since 2×233221333510481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233221333510471) 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, 116610666755240 + 116610666755241.

It is an arithmetic number, because the mean of its divisors is an integer number (116610666755241).

Almost surely, 2^{233221333510481} is an apocalyptic number.

It is an amenable number.

233221333510481 is a deficient number, since it is larger than the sum of its proper divisors (1).

233221333510481 is an equidigital number, since it uses as much as digits as its factorization.

233221333510481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 233221333510481 in words is "two hundred thirty-three trillion, two hundred twenty-one billion, three hundred thirty-three million, five hundred ten thousand, four hundred eighty-one".