816028131 has 8 divisors (see below), whose sum is σ = 1145302720. Its totient is φ = 515386152.

The previous prime is 816028127. The next prime is 816028133. The reversal of 816028131 is 131820618.

816028131 is digitally balanced in base 2, 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 not a de Polignac number, because 816028131 - 2² = 816028127 is a prime.

It is a super-2 number, since 2×816028131² = 1331803821166706322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816028133) 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, 7158085 + ... + 7158198.

It is an arithmetic number, because the mean of its divisors is an integer number (143162840).

Almost surely, 2^816028131 is an apocalyptic number.

816028131 is a deficient number, since it is larger than the sum of its proper divisors (329274589).

816028131 is a wasteful number, since it uses less digits than its factorization.

816028131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316305.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 816028131 is about 28566.2061009158. The cubic root of 816028131 is about 934.4764838875.

Adding to 816028131 its reverse (131820618), we get a palindrome (947848749).

The spelling of 816028131 in words is "eight hundred sixteen million, twenty-eight thousand, one hundred thirty-one".