631362122421341 has 2 divisors, whose sum is σ = 631362122421342. Its totient is φ = 631362122421340.

The previous prime is 631362122421293. The next prime is 631362122421347. The reversal of 631362122421341 is 143124221263136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627049377230116 + 4312745191225 = 25040954^2 + 2076715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-631362122421341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631362122421347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315681061210670 + 315681061210671.

It is an arithmetic number, because the mean of its divisors is an integer number (315681061210671).

Almost surely, 2^{631362122421341} is an apocalyptic number.

It is an amenable number.

631362122421341 is a deficient number, since it is larger than the sum of its proper divisors (1).

631362122421341 is an equidigital number, since it uses as much as digits as its factorization.

631362122421341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

Adding to 631362122421341 its reverse (143124221263136), we get a palindrome (774486343684477).

The spelling of 631362122421341 in words is "six hundred thirty-one trillion, three hundred sixty-two billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred forty-one".