3081313 has 2 divisors, whose sum is σ = 3081314. Its totient is φ = 3081312.

The previous prime is 3081311. The next prime is 3081319. The reversal of 3081313 is 3131803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3038049 + 43264 = 1743^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081313 - 2¹ = 3081311 is a prime.

Together with 3081311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3081311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540656 + 1540657.

It is an arithmetic number, because the mean of its divisors is an integer number (1540657).

Almost surely, 2^3081313 is an apocalyptic number.

It is an amenable number.

3081313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081313 is an equidigital number, since it uses as much as digits as its factorization.

3081313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3081313 is about 1755.3669132122. The cubic root of 3081313 is about 145.5163989185.

It can be divided in two parts, 308 and 1313, that multiplied together give a palindrome (404404).

The spelling of 3081313 in words is "three million, eighty-one thousand, three hundred thirteen".