3081375065 has 24 divisors (see below), whose sum is σ = 3917947968. Its totient is φ = 2326119840.

The previous prime is 3081375061. The next prime is 3081375071. The reversal of 3081375065 is 5605731803.

It is not a de Polignac number, because 3081375065 - 2² = 3081375061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3081375061) 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 23 ways as a sum of consecutive naturals, for example, 471470 + ... + 477960.

It is an arithmetic number, because the mean of its divisors is an integer number (163247832).

Almost surely, 2^3081375065 is an apocalyptic number.

It is an amenable number.

3081375065 is a deficient number, since it is larger than the sum of its proper divisors (836572903).

3081375065 is a wasteful number, since it uses less digits than its factorization.

3081375065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 3081375065 is about 55510.1347953687. The cubic root of 3081375065 is about 1455.1737592778.

The spelling of 3081375065 in words is "three billion, eighty-one million, three hundred seventy-five thousand, sixty-five".