341021321 has 2 divisors, whose sum is σ = 341021322. Its totient is φ = 341021320.

The previous prime is 341021311. The next prime is 341021323. The reversal of 341021321 is 123120143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337273225 + 3748096 = 18365^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 341021321 - 2⁶ = 341021257 is a prime.

Together with 341021323, 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 341021321.

It is not a weakly prime, because it can be changed into another prime (341021323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170510660 + 170510661.

It is an arithmetic number, because the mean of its divisors is an integer number (170510661).

Almost surely, 2^341021321 is an apocalyptic number.

It is an amenable number.

341021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

341021321 is an equidigital number, since it uses as much as digits as its factorization.

341021321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 341021321 is about 18466.7626020372. The cubic root of 341021321 is about 698.6513632166.

Adding to 341021321 its reverse (123120143), we get a palindrome (464141464).

The spelling of 341021321 in words is "three hundred forty-one million, twenty-one thousand, three hundred twenty-one".