431661351141271 has 2 divisors, whose sum is σ = 431661351141272. Its totient is φ = 431661351141270.

The previous prime is 431661351141203. The next prime is 431661351141289. The reversal of 431661351141271 is 172141153166134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431661351141271 - 2⁷ = 431661351141143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431661351141971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215830675570635 + 215830675570636.

It is an arithmetic number, because the mean of its divisors is an integer number (215830675570636).

Almost surely, 2^{431661351141271} is an apocalyptic number.

431661351141271 is a deficient number, since it is larger than the sum of its proper divisors (1).

431661351141271 is an equidigital number, since it uses as much as digits as its factorization.

431661351141271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 431661351141271 in words is "four hundred thirty-one trillion, six hundred sixty-one billion, three hundred fifty-one million, one hundred forty-one thousand, two hundred seventy-one".