71313131193 has 8 divisors (see below), whose sum is σ = 96152536800. Its totient is φ = 47007906528.

The previous prime is 71313131171. The next prime is 71313131221. The reversal of 71313131193 is 39113131317.

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

It is not a de Polignac number, because 71313131193 - 2¹² = 71313127097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71313131093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133544923 + ... + 133545456.

It is an arithmetic number, because the mean of its divisors is an integer number (12019067100).

Almost surely, 2^71313131193 is an apocalyptic number.

It is an amenable number.

71313131193 is a deficient number, since it is larger than the sum of its proper divisors (24839405607).

71313131193 is a wasteful number, since it uses less digits than its factorization.

71313131193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267090471.

The product of its digits is 5103, while the sum is 33.

The spelling of 71313131193 in words is "seventy-one billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred ninety-three".