201430193 has 2 divisors, whose sum is σ = 201430194. Its totient is φ = 201430192.

The previous prime is 201430181. The next prime is 201430213. The reversal of 201430193 is 391034102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196336144 + 5094049 = 14012^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 201430193 - 2¹⁴ = 201413809 is a prime.

It is equal to p_11153831 and since 201430193 and 11153831 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (201430393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715096 + 100715097.

It is an arithmetic number, because the mean of its divisors is an integer number (100715097).

Almost surely, 2^201430193 is an apocalyptic number.

It is an amenable number.

201430193 is a deficient number, since it is larger than the sum of its proper divisors (1).

201430193 is an equidigital number, since it uses as much as digits as its factorization.

201430193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201430193 is about 14192.6105068800. The cubic root of 201430193 is about 586.1942079375.

Adding to 201430193 its reverse (391034102), we get a palindrome (592464295).

The spelling of 201430193 in words is "two hundred one million, four hundred thirty thousand, one hundred ninety-three".