3081781346 has 8 divisors (see below), whose sum is σ = 5283053760. Its totient is φ = 1320763428.

The previous prime is 3081781343. The next prime is 3081781349. The reversal of 3081781346 is 6431871803.

It is an interprime number because it is at equal distance from previous prime (3081781343) and next prime (3081781349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3081781343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110063606 + ... + 110063633.

It is an arithmetic number, because the mean of its divisors is an integer number (660381720).

Almost surely, 2^3081781346 is an apocalyptic number.

3081781346 is a deficient number, since it is larger than the sum of its proper divisors (2201272414).

3081781346 is a wasteful number, since it uses less digits than its factorization.

3081781346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220127248.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 3081781346 is about 55513.7941956772. The cubic root of 3081781346 is about 1455.2377116212.

The spelling of 3081781346 in words is "three billion, eighty-one million, seven hundred eighty-one thousand, three hundred forty-six".