34310321 has 2 divisors, whose sum is σ = 34310322. Its totient is φ = 34310320.

The previous prime is 34310293. The next prime is 34310323. The reversal of 34310321 is 12301343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30924721 + 3385600 = 5561^2 + 1840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34310321 is a prime.

Together with 34310323, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34310321.

It is not a weakly prime, because it can be changed into another prime (34310323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17155160 + 17155161.

It is an arithmetic number, because the mean of its divisors is an integer number (17155161).

Almost surely, 2^34310321 is an apocalyptic number.

It is an amenable number.

34310321 is a deficient number, since it is larger than the sum of its proper divisors (1).

34310321 is an equidigital number, since it uses as much as digits as its factorization.

34310321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 34310321 is about 5857.5012590694. The cubic root of 34310321 is about 324.9438040904.

Adding to 34310321 its reverse (12301343), we get a palindrome (46611664).

The spelling of 34310321 in words is "thirty-four million, three hundred ten thousand, three hundred twenty-one".