42731600071 has 2 divisors, whose sum is σ = 42731600072. Its totient is φ = 42731600070.

The previous prime is 42731600057. The next prime is 42731600083. The reversal of 42731600071 is 17000613724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42731600071 - 2¹³ = 42731591879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42731600371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365800035 + 21365800036.

It is an arithmetic number, because the mean of its divisors is an integer number (21365800036).

Almost surely, 2^42731600071 is an apocalyptic number.

42731600071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42731600071 is an equidigital number, since it uses as much as digits as its factorization.

42731600071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 42731600071 in words is "forty-two billion, seven hundred thirty-one million, six hundred thousand, seventy-one".