202030103117 has 2 divisors, whose sum is σ = 202030103118. Its totient is φ = 202030103116.

The previous prime is 202030103071. The next prime is 202030103123. The reversal of 202030103117 is 711301030202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188298716356 + 13731386761 = 433934^2 + 117181^2 .

It is a cyclic number.

It is not a de Polignac number, because 202030103117 - 2²⁴ = 202013325901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202030103417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101015051558 + 101015051559.

It is an arithmetic number, because the mean of its divisors is an integer number (101015051559).

Almost surely, 2^202030103117 is an apocalyptic number.

It is an amenable number.

202030103117 is a deficient number, since it is larger than the sum of its proper divisors (1).

202030103117 is an equidigital number, since it uses as much as digits as its factorization.

202030103117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 202030103117 its reverse (711301030202), we get a palindrome (913331133319).

The spelling of 202030103117 in words is "two hundred two billion, thirty million, one hundred three thousand, one hundred seventeen".