8081608031 has 16 divisors (see below), whose sum is σ = 9787659840. Its totient is φ = 6525093120.

The previous prime is 8081607979. The next prime is 8081608057. The reversal of 8081608031 is 1308061808.

It is a happy number.

It is not a de Polignac number, because 8081608031 - 2¹⁴ = 8081591647 is a prime.

It is a super-2 number, since 2×8081608031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8081607982 and 8081608000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081608061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477176 + ... + 493821.

It is an arithmetic number, because the mean of its divisors is an integer number (611728740).

Almost surely, 2^8081608031 is an apocalyptic number.

8081608031 is a deficient number, since it is larger than the sum of its proper divisors (1706051809).

8081608031 is a wasteful number, since it uses less digits than its factorization.

8081608031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971074.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 8081608031 is about 89897.7643270399. The cubic root of 8081608031 is about 2006.7776748663. Note that the first 3 decimals are identical.

Adding to 8081608031 its reverse (1308061808), we get a palindrome (9389669839).

The spelling of 8081608031 in words is "eight billion, eighty-one million, six hundred eight thousand, thirty-one".