202133113031173 has 2 divisors, whose sum is σ = 202133113031174. Its totient is φ = 202133113031172.

The previous prime is 202133113031147. The next prime is 202133113031191. The reversal of 202133113031173 is 371130311331202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103065987188164 + 99067125843009 = 10152142^2 + 9953247^2 .

It is a cyclic number.

It is not a de Polignac number, because 202133113031173 - 2⁴¹ = 199934089775621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202133113037173) 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, 101066556515586 + 101066556515587.

It is an arithmetic number, because the mean of its divisors is an integer number (101066556515587).

Almost surely, 2^{202133113031173} is an apocalyptic number.

It is an amenable number.

202133113031173 is a deficient number, since it is larger than the sum of its proper divisors (1).

202133113031173 is an equidigital number, since it uses as much as digits as its factorization.

202133113031173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

Adding to 202133113031173 its reverse (371130311331202), we get a palindrome (573263424362375).

The spelling of 202133113031173 in words is "two hundred two trillion, one hundred thirty-three billion, one hundred thirteen million, thirty-one thousand, one hundred seventy-three".