342352321 has 2 divisors, whose sum is σ = 342352322. Its totient is φ = 342352320.

The previous prime is 342352319. The next prime is 342352349. The reversal of 342352321 is 123253243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342065025 + 287296 = 18495^2 + 536^2 .

It is an emirp because it is prime and its reverse (123253243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342352321 - 2¹ = 342352319 is a prime.

It is a super-2 number, since 2×342352321² = 234410223388174082, which contains 22 as substring.

Together with 342352319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342352301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171176160 + 171176161.

It is an arithmetic number, because the mean of its divisors is an integer number (171176161).

Almost surely, 2^342352321 is an apocalyptic number.

It is an amenable number.

342352321 is a deficient number, since it is larger than the sum of its proper divisors (1).

342352321 is an equidigital number, since it uses as much as digits as its factorization.

342352321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 342352321 is about 18502.7652257710. The cubic root of 342352321 is about 699.5591244259.

The spelling of 342352321 in words is "three hundred forty-two million, three hundred fifty-two thousand, three hundred twenty-one".