8681603131 has 8 divisors (see below), whose sum is σ = 8705113200. Its totient is φ = 8658112512.

The previous prime is 8681603107. The next prime is 8681603137. The reversal of 8681603131 is 1313061868.

8681603131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8681603131 - 2¹³ = 8681594939 is a prime.

It is a super-2 number, since 2×8681603131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8681603137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417131 + ... + 1423243.

It is an arithmetic number, because the mean of its divisors is an integer number (1088139150).

Almost surely, 2^8681603131 is an apocalyptic number.

8681603131 is a deficient number, since it is larger than the sum of its proper divisors (23510069).

8681603131 is a wasteful number, since it uses less digits than its factorization.

8681603131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 8681603131 is about 93175.1207726612. The cubic root of 8681603131 is about 2055.2593986660.

Adding to 8681603131 its reverse (1313061868), we get a palindrome (9994664999).

The spelling of 8681603131 in words is "eight billion, six hundred eighty-one million, six hundred three thousand, one hundred thirty-one".