306881041308 has 12 divisors (see below), whose sum is σ = 716055763080. Its totient is φ = 102293680432.

The previous prime is 306881041261. The next prime is 306881041309. The reversal of 306881041308 is 803140188603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 306881041308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306881041309) 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, 12786710043 + ... + 12786710066.

It is an arithmetic number, because the mean of its divisors is an integer number (59671313590).

Almost surely, 2^306881041308 is an apocalyptic number.

It is an amenable number.

306881041308 is an abundant number, since it is smaller than the sum of its proper divisors (409174721772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306881041308 is a wasteful number, since it uses less digits than its factorization.

306881041308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25573420116 (or 25573420114 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 306881041308 in words is "three hundred six billion, eight hundred eighty-one million, forty-one thousand, three hundred eight".