71127231319 has 2 divisors, whose sum is σ = 71127231320. Its totient is φ = 71127231318.

The previous prime is 71127231293. The next prime is 71127231341. The reversal of 71127231319 is 91313272117.

It is a strong prime.

It is an emirp because it is prime and its reverse (91313272117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71127231319 - 2⁷ = 71127231191 is a prime.

It is a super-2 number, since 2×71127231319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71127261319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35563615659 + 35563615660.

It is an arithmetic number, because the mean of its divisors is an integer number (35563615660).

Almost surely, 2^71127231319 is an apocalyptic number.

71127231319 is a deficient number, since it is larger than the sum of its proper divisors (1).

71127231319 is an equidigital number, since it uses as much as digits as its factorization.

71127231319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 37.

The spelling of 71127231319 in words is "seventy-one billion, one hundred twenty-seven million, two hundred thirty-one thousand, three hundred nineteen".