342303217 has 4 divisors (see below), whose sum is σ = 343097856. Its totient is φ = 341508580.

The previous prime is 342303197. The next prime is 342303223. The reversal of 342303217 is 712303243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 712303243 = 37 ⋅19251439.

It is a cyclic number.

It is not a de Polignac number, because 342303217 - 2²⁷ = 208085489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342303191 and 342303200.

It is not an unprimeable number, because it can be changed into a prime (342303817) 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, 396673 + ... + 397534.

It is an arithmetic number, because the mean of its divisors is an integer number (85774464).

Almost surely, 2^342303217 is an apocalyptic number.

It is an amenable number.

342303217 is a deficient number, since it is larger than the sum of its proper divisors (794639).

342303217 is an equidigital number, since it uses as much as digits as its factorization.

342303217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794638.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 342303217 is about 18501.4382413909. The cubic root of 342303217 is about 699.5256766280.

The spelling of 342303217 in words is "three hundred forty-two million, three hundred three thousand, two hundred seventeen".