3081152728 has 16 divisors (see below), whose sum is σ = 5782970880. Its totient is φ = 1539027168.

The previous prime is 3081152681. The next prime is 3081152729. The reversal of 3081152728 is 8272511803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081152729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185176 + ... + 201127.

It is an arithmetic number, because the mean of its divisors is an integer number (361435680).

Almost surely, 2^3081152728 is an apocalyptic number.

It is an amenable number.

3081152728 is a deficient number, since it is larger than the sum of its proper divisors (2701818152).

3081152728 is a wasteful number, since it uses less digits than its factorization.

3081152728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387306 (or 387302 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 3081152728 is about 55508.1320889111. The cubic root of 3081152728 is about 1455.1387590216.

The spelling of 3081152728 in words is "three billion, eighty-one million, one hundred fifty-two thousand, seven hundred twenty-eight".