71131114312 has 16 divisors (see below), whose sum is σ = 139169571840. Its totient is φ = 34019228496.

The previous prime is 71131114309. The next prime is 71131114337. The reversal of 71131114312 is 21341113117.

It is a super-2 number, since 2×71131114312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193290888 + ... + 193291255.

It is an arithmetic number, because the mean of its divisors is an integer number (8698098240).

Almost surely, 2^71131114312 is an apocalyptic number.

It is an amenable number.

71131114312 is a deficient number, since it is larger than the sum of its proper divisors (68038457528).

71131114312 is a wasteful number, since it uses less digits than its factorization.

71131114312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386582172 (or 386582168 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

Adding to 71131114312 its reverse (21341113117), we get a palindrome (92472227429).

The spelling of 71131114312 in words is "seventy-one billion, one hundred thirty-one million, one hundred fourteen thousand, three hundred twelve".