431211114161 has 2 divisors, whose sum is σ = 431211114162. Its totient is φ = 431211114160.

The previous prime is 431211114151. The next prime is 431211114251. The reversal of 431211114161 is 161411112134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400000591936 + 31210522225 = 632456^2 + 176665^2 .

It is a cyclic number.

It is not a de Polignac number, because 431211114161 - 2⁶ = 431211114097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 431211114161.

It is not a weakly prime, because it can be changed into another prime (431211114151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215605557080 + 215605557081.

It is an arithmetic number, because the mean of its divisors is an integer number (215605557081).

Almost surely, 2^431211114161 is an apocalyptic number.

It is an amenable number.

431211114161 is a deficient number, since it is larger than the sum of its proper divisors (1).

431211114161 is an equidigital number, since it uses as much as digits as its factorization.

431211114161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 26.

Adding to 431211114161 its reverse (161411112134), we get a palindrome (592622226295).

The spelling of 431211114161 in words is "four hundred thirty-one billion, two hundred eleven million, one hundred fourteen thousand, one hundred sixty-one".