108940711731 has 8 divisors (see below), whose sum is σ = 147994929360. Its totient is φ = 71256817632.

The previous prime is 108940711723. The next prime is 108940711783. The reversal of 108940711731 is 137117049801.

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

It is not a de Polignac number, because 108940711731 - 2³ = 108940711723 is a prime.

It is a super-2 number, since 2×108940711731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108940791731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342580696 + ... + 342581013.

It is an arithmetic number, because the mean of its divisors is an integer number (18499366170).

Almost surely, 2^108940711731 is an apocalyptic number.

108940711731 is a deficient number, since it is larger than the sum of its proper divisors (39054217629).

108940711731 is an equidigital number, since it uses as much as digits as its factorization.

108940711731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685161765.

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 108940711731 in words is "one hundred eight billion, nine hundred forty million, seven hundred eleven thousand, seven hundred thirty-one".