71316319 has 2 divisors, whose sum is σ = 71316320. Its totient is φ = 71316318.

The previous prime is 71316293. The next prime is 71316331. The reversal of 71316319 is 91361317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71316319 - 2¹⁹ = 70792031 is a prime.

It is a super-2 number, since 2×71316319² = 10172034711419522, which contains 22 as substring.

It is equal to p_4190872 and since 71316319 and 4190872 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71310319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35658159 + 35658160.

It is an arithmetic number, because the mean of its divisors is an integer number (35658160).

Almost surely, 2^71316319 is an apocalyptic number.

71316319 is a deficient number, since it is larger than the sum of its proper divisors (1).

71316319 is an equidigital number, since it uses as much as digits as its factorization.

71316319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 31.

The square root of 71316319 is about 8444.8989928832. The cubic root of 71316319 is about 414.6958026240.

The spelling of 71316319 in words is "seventy-one million, three hundred sixteen thousand, three hundred nineteen".