202310189 has 2 divisors, whose sum is σ = 202310190. Its totient is φ = 202310188.

The previous prime is 202310161. The next prime is 202310201. The reversal of 202310189 is 981013202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164916964 + 37393225 = 12842^2 + 6115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202310189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202310159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155094 + 101155095.

It is an arithmetic number, because the mean of its divisors is an integer number (101155095).

Almost surely, 2^202310189 is an apocalyptic number.

It is an amenable number.

202310189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202310189 is an equidigital number, since it uses as much as digits as its factorization.

202310189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 202310189 is about 14223.5786284606. The cubic root of 202310189 is about 587.0466110551.

The spelling of 202310189 in words is "two hundred two million, three hundred ten thousand, one hundred eighty-nine".