71330113 has 6 divisors (see below), whose sum is σ = 75773126. Its totient is φ = 67133952.

The previous prime is 71330081. The next prime is 71330131. The reversal of 71330113 is 31103317.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13082689 + 58247424 = 3617^2 + 7632^2 .

It is not a de Polignac number, because 71330113 - 2⁵ = 71330081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71330173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123120 + ... + 123697.

Almost surely, 2^71330113 is an apocalyptic number.

It is an amenable number.

71330113 is a deficient number, since it is larger than the sum of its proper divisors (4443013).

71330113 is a wasteful number, since it uses less digits than its factorization.

71330113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246851 (or 246834 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 71330113 is about 8445.7156594335. The cubic root of 71330113 is about 414.7225377164.

The spelling of 71330113 in words is "seventy-one million, three hundred thirty thousand, one hundred thirteen".