315442201 has 2 divisors, whose sum is σ = 315442202. Its totient is φ = 315442200.

The previous prime is 315442189. The next prime is 315442223. The reversal of 315442201 is 102244513.

It is an a-pointer prime, because the next prime (315442223) can be obtained adding 315442201 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296528400 + 18913801 = 17220^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 315442201 - 2²⁵ = 281887769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315442241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157721100 + 157721101.

It is an arithmetic number, because the mean of its divisors is an integer number (157721101).

Almost surely, 2^315442201 is an apocalyptic number.

It is an amenable number.

315442201 is a deficient number, since it is larger than the sum of its proper divisors (1).

315442201 is an equidigital number, since it uses as much as digits as its factorization.

315442201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 315442201 is about 17760.6925822165. The cubic root of 315442201 is about 680.7274517557.

Adding to 315442201 its reverse (102244513), we get a palindrome (417686714).

The spelling of 315442201 in words is "three hundred fifteen million, four hundred forty-two thousand, two hundred one".