71134311 has 4 divisors (see below), whose sum is σ = 94845752. Its totient is φ = 47422872.

The previous prime is 71134279. The next prime is 71134333. The reversal of 71134311 is 11343117.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 71134311 - 2⁵ = 71134279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71134211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11855716 + ... + 11855721.

It is an arithmetic number, because the mean of its divisors is an integer number (23711438).

Almost surely, 2^71134311 is an apocalyptic number.

71134311 is a deficient number, since it is larger than the sum of its proper divisors (23711441).

71134311 is a wasteful number, since it uses less digits than its factorization.

71134311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711440.

The product of its digits is 252, while the sum is 21.

The square root of 71134311 is about 8434.1158991325. The cubic root of 71134311 is about 414.3427172173.

Adding to 71134311 its reverse (11343117), we get a palindrome (82477428).

The spelling of 71134311 in words is "seventy-one million, one hundred thirty-four thousand, three hundred eleven".