308080312 has 16 divisors (see below), whose sum is σ = 577854000. Its totient is φ = 153985920.

The previous prime is 308080291. The next prime is 308080319. The reversal of 308080312 is 213080803.

308080312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308080319) 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, 27637 + ... + 37147.

It is an arithmetic number, because the mean of its divisors is an integer number (36115875).

Almost surely, 2^308080312 is an apocalyptic number.

It is an amenable number.

308080312 is a deficient number, since it is larger than the sum of its proper divisors (269773688).

308080312 is a wasteful number, since it uses less digits than its factorization.

308080312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566 (or 13562 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 308080312 is about 17552.2167261004. The cubic root of 308080312 is about 675.3900348482.

The spelling of 308080312 in words is "three hundred eight million, eighty thousand, three hundred twelve".