341621021243 has 2 divisors, whose sum is σ = 341621021244. Its totient is φ = 341621021242.

The previous prime is 341621021237. The next prime is 341621021267. The reversal of 341621021243 is 342120126143.

It is a weak prime.

It is an emirp because it is prime and its reverse (342120126143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 341621021243 - 2²⁴ = 341604244027 is a prime.

It is a super-2 number, since 2×341621021243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (341621021143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170810510621 + 170810510622.

It is an arithmetic number, because the mean of its divisors is an integer number (170810510622).

Almost surely, 2^341621021243 is an apocalyptic number.

341621021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

341621021243 is an equidigital number, since it uses as much as digits as its factorization.

341621021243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 341621021243 its reverse (342120126143), we get a palindrome (683741147386).

The spelling of 341621021243 in words is "three hundred forty-one billion, six hundred twenty-one million, twenty-one thousand, two hundred forty-three".