201430241 has 4 divisors (see below), whose sum is σ = 201664512. Its totient is φ = 201195972.

The previous prime is 201430231. The next prime is 201430249. The reversal of 201430241 is 142034102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201430241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201430249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115841 + ... + 117566.

It is an arithmetic number, because the mean of its divisors is an integer number (50416128).

Almost surely, 2^201430241 is an apocalyptic number.

It is an amenable number.

201430241 is a deficient number, since it is larger than the sum of its proper divisors (234271).

201430241 is an equidigital number, since it uses as much as digits as its factorization.

201430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234270.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 201430241 is about 14192.6121979007. The cubic root of 201430241 is about 586.1942545000.

Adding to 201430241 its reverse (142034102), we get a palindrome (343464343).

The spelling of 201430241 in words is "two hundred one million, four hundred thirty thousand, two hundred forty-one".