233013321132181 has 2 divisors, whose sum is σ = 233013321132182. Its totient is φ = 233013321132180.

The previous prime is 233013321132157. The next prime is 233013321132239. The reversal of 233013321132181 is 181231123310332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227237806699281 + 5775514432900 = 15074409^2 + 2403230^2 .

It is a cyclic number.

It is not a de Polignac number, because 233013321132181 - 2⁵ = 233013321132149 is a prime.

It is a super-2 number, since 2×233013321132181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233013321133181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116506660566090 + 116506660566091.

It is an arithmetic number, because the mean of its divisors is an integer number (116506660566091).

Almost surely, 2^{233013321132181} is an apocalyptic number.

It is an amenable number.

233013321132181 is a deficient number, since it is larger than the sum of its proper divisors (1).

233013321132181 is an equidigital number, since it uses as much as digits as its factorization.

233013321132181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 233013321132181 in words is "two hundred thirty-three trillion, thirteen billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred eighty-one".