341312021 has 2 divisors, whose sum is σ = 341312022. Its totient is φ = 341312020.

The previous prime is 341312017. The next prime is 341312033. The reversal of 341312021 is 120213143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285136996 + 56175025 = 16886^2 + 7495^2 .

It is a cyclic number.

It is not a de Polignac number, because 341312021 - 2² = 341312017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341312051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170656010 + 170656011.

It is an arithmetic number, because the mean of its divisors is an integer number (170656011).

Almost surely, 2^341312021 is an apocalyptic number.

It is an amenable number.

341312021 is a deficient number, since it is larger than the sum of its proper divisors (1).

341312021 is an equidigital number, since it uses as much as digits as its factorization.

341312021 is an odious number, because the sum of its binary digits is odd.

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

The square root of 341312021 is about 18474.6318231244. The cubic root of 341312021 is about 698.8498261441.

Adding to 341312021 its reverse (120213143), we get a palindrome (461525164).

The spelling of 341312021 in words is "three hundred forty-one million, three hundred twelve thousand, twenty-one".