71334313 has 4 divisors (see below), whose sum is σ = 71630548. Its totient is φ = 71038080.

The previous prime is 71334281. The next prime is 71334323. The reversal of 71334313 is 31343317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31343317 = 821 ⋅38177.

It can be written as a sum of positive squares in 2 ways, for example, as 19954089 + 51380224 = 4467^2 + 7168^2 .

It is a cyclic number.

It is not a de Polignac number, because 71334313 - 2⁵ = 71334281 is a prime.

It is a super-2 number, since 2×71334313² = 10177168422363938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71334323) 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 3 ways as a sum of consecutive naturals, for example, 147756 + ... + 148237.

It is an arithmetic number, because the mean of its divisors is an integer number (17907637).

Almost surely, 2^71334313 is an apocalyptic number.

It is an amenable number.

71334313 is a deficient number, since it is larger than the sum of its proper divisors (296235).

71334313 is a wasteful number, since it uses less digits than its factorization.

71334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296234.

The product of its digits is 2268, while the sum is 25.

The square root of 71334313 is about 8445.9643025530. The cubic root of 71334313 is about 414.7306773384.

The spelling of 71334313 in words is "seventy-one million, three hundred thirty-four thousand, three hundred thirteen".