431199134071 has 2 divisors, whose sum is σ = 431199134072. Its totient is φ = 431199134070.

The previous prime is 431199134063. The next prime is 431199134089. The reversal of 431199134071 is 170431991134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431199134071 - 2³ = 431199134063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431199134011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215599567035 + 215599567036.

It is an arithmetic number, because the mean of its divisors is an integer number (215599567036).

Almost surely, 2^431199134071 is an apocalyptic number.

431199134071 is a deficient number, since it is larger than the sum of its proper divisors (1).

431199134071 is an equidigital number, since it uses as much as digits as its factorization.

431199134071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 431199134071 in words is "four hundred thirty-one billion, one hundred ninety-nine million, one hundred thirty-four thousand, seventy-one".