8131016 has 16 divisors (see below), whose sum is σ = 15304140. Its totient is φ = 4049920.

The previous prime is 8131003. The next prime is 8131033. The reversal of 8131016 is 6101318.

It can be written as a sum of positive squares in 2 ways, for example, as 7562500 + 568516 = 2750^2 + 754^2 .

It is a super-2 number, since 2×8131016² = 132226842384512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 4056.

Almost surely, 2^8131016 is an apocalyptic number.

It is an amenable number.

8131016 is a deficient number, since it is larger than the sum of its proper divisors (7173124).

8131016 is a wasteful number, since it uses less digits than its factorization.

8131016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 8131016 is about 2851.4936436892. The cubic root of 8131016 is about 201.0858935061.

The spelling of 8131016 in words is "eight million, one hundred thirty-one thousand, sixteen".