203203114130173 has 2 divisors, whose sum is σ = 203203114130174. Its totient is φ = 203203114130172.

The previous prime is 203203114130141. The next prime is 203203114130329. The reversal of 203203114130173 is 371031411302302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155543724928089 + 47659389202084 = 12471717^2 + 6903578^2 .

It is a cyclic number.

It is not a de Polignac number, because 203203114130173 - 2⁵ = 203203114130141 is a prime.

It is a super-2 number, since 2×203203114130173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203203114130113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601557065086 + 101601557065087.

It is an arithmetic number, because the mean of its divisors is an integer number (101601557065087).

Almost surely, 2^{203203114130173} is an apocalyptic number.

It is an amenable number.

203203114130173 is a deficient number, since it is larger than the sum of its proper divisors (1).

203203114130173 is an equidigital number, since it uses as much as digits as its factorization.

203203114130173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 203203114130173 its reverse (371031411302302), we get a palindrome (574234525432475).

The spelling of 203203114130173 in words is "two hundred three trillion, two hundred three billion, one hundred fourteen million, one hundred thirty thousand, one hundred seventy-three".