340315211 has 4 divisors (see below), whose sum is σ = 348615624. Its totient is φ = 332014800.

The previous prime is 340315187. The next prime is 340315223. The reversal of 340315211 is 112513043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340315211 - 2⁶ = 340315147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340315111) 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, 4150145 + ... + 4150226.

It is an arithmetic number, because the mean of its divisors is an integer number (87153906).

Almost surely, 2^340315211 is an apocalyptic number.

340315211 is a deficient number, since it is larger than the sum of its proper divisors (8300413).

340315211 is an equidigital number, since it uses as much as digits as its factorization.

340315211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300412.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 340315211 is about 18447.6342927759. The cubic root of 340315211 is about 698.1688268234.

Adding to 340315211 its reverse (112513043), we get a palindrome (452828254).

The spelling of 340315211 in words is "three hundred forty million, three hundred fifteen thousand, two hundred eleven".