8141791831 has 4 divisors (see below), whose sum is σ = 8143497432. Its totient is φ = 8140086232.

The previous prime is 8141791813. The next prime is 8141791841. The reversal of 8141791831 is 1381971418.

8141791831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8141791831 - 2¹⁵ = 8141759063 is a prime.

It is a super-3 number, since 3×8141791831³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141791841) 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, 845620 + ... + 855193.

It is an arithmetic number, because the mean of its divisors is an integer number (2035874358).

Almost surely, 2^8141791831 is an apocalyptic number.

8141791831 is a deficient number, since it is larger than the sum of its proper divisors (1705601).

8141791831 is a wasteful number, since it uses less digits than its factorization.

8141791831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705600.

The product of its digits is 48384, while the sum is 43.

The square root of 8141791831 is about 90231.8781307360. The cubic root of 8141791831 is about 2011.7468565199.

The spelling of 8141791831 in words is "eight billion, one hundred forty-one million, seven hundred ninety-one thousand, eight hundred thirty-one".