420343434231241 has 2 divisors, whose sum is σ = 420343434231242. Its totient is φ = 420343434231240.

The previous prime is 420343434231229. The next prime is 420343434231247. The reversal of 420343434231241 is 142132434343024.

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., 392999738256841 + 27343695974400 = 19824221^2 + 5229120^2 .

It is a cyclic number.

It is not a de Polignac number, because 420343434231241 - 2⁹ = 420343434230729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420343434231194 and 420343434231203.

It is not a weakly prime, because it can be changed into another prime (420343434231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210171717115620 + 210171717115621.

It is an arithmetic number, because the mean of its divisors is an integer number (210171717115621).

Almost surely, 2^{420343434231241} is an apocalyptic number.

It is an amenable number.

420343434231241 is a deficient number, since it is larger than the sum of its proper divisors (1).

420343434231241 is an equidigital number, since it uses as much as digits as its factorization.

420343434231241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 420343434231241 its reverse (142132434343024), we get a palindrome (562475868574265).

The spelling of 420343434231241 in words is "four hundred twenty trillion, three hundred forty-three billion, four hundred thirty-four million, two hundred thirty-one thousand, two hundred forty-one".