117271731307 has 4 divisors (see below), whose sum is σ = 117328086936. Its totient is φ = 117215375680.

The previous prime is 117271731299. The next prime is 117271731319. The reversal of 117271731307 is 703137172711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703137172711 = 31 ⋅22681844281.

It is a cyclic number.

It is not a de Polignac number, because 117271731307 - 2³ = 117271731299 is a prime.

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 117271731307.

It is not an unprimeable number, because it can be changed into a prime (117271731347) 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, 28174693 + ... + 28178854.

It is an arithmetic number, because the mean of its divisors is an integer number (29332021734).

Almost surely, 2^117271731307 is an apocalyptic number.

117271731307 is a deficient number, since it is larger than the sum of its proper divisors (56355629).

117271731307 is an equidigital number, since it uses as much as digits as its factorization.

117271731307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56355628.

The product of its (nonzero) digits is 43218, while the sum is 40.

The spelling of 117271731307 in words is "one hundred seventeen billion, two hundred seventy-one million, seven hundred thirty-one thousand, three hundred seven".