3081445313 has 4 divisors (see below), whose sum is σ = 3262706820. Its totient is φ = 2900183808.

The previous prime is 3081445277. The next prime is 3081445357. The reversal of 3081445313 is 3135441803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 990486784 + 2090958529 = 31472^2 + 45727^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081445313 - 2²⁶ = 3014336449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3081445313.

It is not an unprimeable number, because it can be changed into a prime (3081445363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90630728 + ... + 90630761.

It is an arithmetic number, because the mean of its divisors is an integer number (815676705).

Almost surely, 2^3081445313 is an apocalyptic number.

It is an amenable number.

3081445313 is a deficient number, since it is larger than the sum of its proper divisors (181261507).

3081445313 is a wasteful number, since it uses less digits than its factorization.

3081445313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181261506.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3081445313 is about 55510.7675410816. The cubic root of 3081445313 is about 1455.1848173571.

The spelling of 3081445313 in words is "three billion, eighty-one million, four hundred forty-five thousand, three hundred thirteen".