3072313 has 4 divisors (see below), whose sum is σ = 3077748. Its totient is φ = 3066880.

The previous prime is 3072301. The next prime is 3072353. The reversal of 3072313 is 3132703.

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 2715904 + 356409 = 1648^2 + 597^2 .

It is a cyclic number.

It is not a de Polignac number, because 3072313 - 2⁹ = 3071801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3072353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (769437).

Almost surely, 2^3072313 is an apocalyptic number.

It is an amenable number.

3072313 is a deficient number, since it is larger than the sum of its proper divisors (5435).

3072313 is an equidigital number, since it uses as much as digits as its factorization.

3072313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 3072313 is about 1752.8014719300. The cubic root of 3072313 is about 145.3745844008.

The spelling of 3072313 in words is "three million, seventy-two thousand, three hundred thirteen".