8042103831 has 4 divisors (see below), whose sum is σ = 10722805112. Its totient is φ = 5361402552.

The previous prime is 8042103829. The next prime is 8042103863. The reversal of 8042103831 is 1383012408.

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

It is not a de Polignac number, because 8042103831 - 2¹ = 8042103829 is a prime.

It is a super-2 number, since 2×8042103831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042103131) 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, 1340350636 + ... + 1340350641.

It is an arithmetic number, because the mean of its divisors is an integer number (2680701278).

Almost surely, 2^8042103831 is an apocalyptic number.

8042103831 is a deficient number, since it is larger than the sum of its proper divisors (2680701281).

8042103831 is a wasteful number, since it uses less digits than its factorization.

8042103831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680701280.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8042103831 is about 89677.7777991850. Note that the first 4 decimals coincide. The cubic root of 8042103831 is about 2003.5025151964.

The spelling of 8042103831 in words is "eight billion, forty-two million, one hundred three thousand, eight hundred thirty-one".