341311021 has 2 divisors, whose sum is σ = 341311022. Its totient is φ = 341311020.

The previous prime is 341310979. The next prime is 341311027. The reversal of 341311021 is 120113143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246929796 + 94381225 = 15714^2 + 9715^2 .

It is a cyclic number.

It is not a de Polignac number, because 341311021 - 2¹¹ = 341308973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 341310986 and 341311004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341311027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170655510 + 170655511.

It is an arithmetic number, because the mean of its divisors is an integer number (170655511).

Almost surely, 2^341311021 is an apocalyptic number.

It is an amenable number.

341311021 is a deficient number, since it is larger than the sum of its proper divisors (1).

341311021 is an equidigital number, since it uses as much as digits as its factorization.

341311021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 341311021 is about 18474.6047589658. The cubic root of 341311021 is about 698.8491436303.

Adding to 341311021 its reverse (120113143), we get a palindrome (461424164).

The spelling of 341311021 in words is "three hundred forty-one million, three hundred eleven thousand, twenty-one".