71093563131 has 8 divisors (see below), whose sum is σ = 94938840640. Its totient is φ = 47321997192.

The previous prime is 71093563097. The next prime is 71093563169. The reversal of 71093563131 is 13136539017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71093563131 - 2⁷ = 71093563003 is a prime.

It is a super-2 number, since 2×71093563131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71093563131.

It is not an unprimeable number, because it can be changed into a prime (71093563231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18425641 + ... + 18429498.

It is an arithmetic number, because the mean of its divisors is an integer number (11867355080).

Almost surely, 2^71093563131 is an apocalyptic number.

71093563131 is a deficient number, since it is larger than the sum of its proper divisors (23845277509).

71093563131 is a wasteful number, since it uses less digits than its factorization.

71093563131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36855785.

The product of its (nonzero) digits is 51030, while the sum is 39.

The spelling of 71093563131 in words is "seventy-one billion, ninety-three million, five hundred sixty-three thousand, one hundred thirty-one".