340342201 has 6 divisors (see below), whose sum is σ = 355783610. Its totient is φ = 325544208.

The previous prime is 340342153. The next prime is 340342253. The reversal of 340342201 is 102243043.

It can be written as a sum of positive squares in only one way, i.e., 321843600 + 18498601 = 17940^2 + 4301^2 .

It is not a de Polignac number, because 340342201 - 2⁷ = 340342073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340342501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321156 + ... + 322213.

Almost surely, 2^340342201 is an apocalyptic number.

It is an amenable number.

340342201 is a deficient number, since it is larger than the sum of its proper divisors (15441409).

340342201 is an equidigital number, since it uses as much as digits as its factorization.

340342201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643415 (or 643392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340342201 is about 18448.3658083853. The cubic root of 340342201 is about 698.1872833189.

Adding to 340342201 its reverse (102243043), we get a palindrome (442585244).

The spelling of 340342201 in words is "three hundred forty million, three hundred forty-two thousand, two hundred one".