71318343 has 16 divisors (see below), whose sum is σ = 100437120. Its totient is φ = 44889696.

The previous prime is 71318339. The next prime is 71318347. The reversal of 71318343 is 34381317.

It is an interprime number because it is at equal distance from previous prime (71318339) and next prime (71318347).

It is not a de Polignac number, because 71318343 - 2² = 71318339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71318343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71318347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16096 + ... + 20042.

It is an arithmetic number, because the mean of its divisors is an integer number (6277320).

Almost surely, 2^71318343 is an apocalyptic number.

71318343 is a deficient number, since it is larger than the sum of its proper divisors (29118777).

71318343 is a wasteful number, since it uses less digits than its factorization.

71318343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286.

The product of its digits is 6048, while the sum is 30.

The square root of 71318343 is about 8445.0188276877. The cubic root of 71318343 is about 414.6997256923.

The spelling of 71318343 in words is "seventy-one million, three hundred eighteen thousand, three hundred forty-three".