233313040146161 has 2 divisors, whose sum is σ = 233313040146162. Its totient is φ = 233313040146160.

The previous prime is 233313040146149. The next prime is 233313040146163. The reversal of 233313040146161 is 161641040313332.

233313040146161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158688666814561 + 74624373331600 = 12597169^2 + 8638540^2 .

It is a cyclic number.

It is not a de Polignac number, because 233313040146161 - 2¹⁴ = 233313040129777 is a prime.

Together with 233313040146163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233313040146163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116656520073080 + 116656520073081.

It is an arithmetic number, because the mean of its divisors is an integer number (116656520073081).

Almost surely, 2^{233313040146161} is an apocalyptic number.

It is an amenable number.

233313040146161 is a deficient number, since it is larger than the sum of its proper divisors (1).

233313040146161 is an equidigital number, since it uses as much as digits as its factorization.

233313040146161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 233313040146161 its reverse (161641040313332), we get a palindrome (394954080459493).

The spelling of 233313040146161 in words is "two hundred thirty-three trillion, three hundred thirteen billion, forty million, one hundred forty-six thousand, one hundred sixty-one".