3081307 has 4 divisors (see below), whose sum is σ = 3180736. Its totient is φ = 2981880.

The previous prime is 3081271. The next prime is 3081311. The reversal of 3081307 is 7031803.

3081307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7031803 = 1087 ⋅6469.

It is a cyclic number.

It is not a de Polignac number, because 3081307 - 2¹¹ = 3079259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49668 + ... + 49729.

It is an arithmetic number, because the mean of its divisors is an integer number (795184).

Almost surely, 2^3081307 is an apocalyptic number.

3081307 is a deficient number, since it is larger than the sum of its proper divisors (99429).

3081307 is an equidigital number, since it uses as much as digits as its factorization.

3081307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99428.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 3081307 is about 1755.3652041669. The cubic root of 3081307 is about 145.5163044675.

Subtracting from 3081307 its product of nonzero digits (504), we obtain a palindrome (3080803).

The spelling of 3081307 in words is "three million, eighty-one thousand, three hundred seven".