3081312713 has 4 divisors (see below), whose sum is σ = 3262566420. Its totient is φ = 2900059008.

The previous prime is 3081312709. The next prime is 3081312719. The reversal of 3081312713 is 3172131803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3172131803 = 1543 ⋅2055821.

It can be written as a sum of positive squares in 2 ways, for example, as 1044776329 + 2036536384 = 32323^2 + 45128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081312713 - 2² = 3081312709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081312719) 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 3 ways as a sum of consecutive naturals, for example, 90626828 + ... + 90626861.

It is an arithmetic number, because the mean of its divisors is an integer number (815641605).

Almost surely, 2^3081312713 is an apocalyptic number.

It is an amenable number.

3081312713 is a deficient number, since it is larger than the sum of its proper divisors (181253707).

3081312713 is a wasteful number, since it uses less digits than its factorization.

3081312713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181253706.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3081312713 is about 55509.5731653559. The cubic root of 3081312713 is about 1455.1639440055.

The spelling of 3081312713 in words is "three billion, eighty-one million, three hundred twelve thousand, seven hundred thirteen".