308214112 has 24 divisors (see below), whose sum is σ = 617085000. Its totient is φ = 151494144.

The previous prime is 308214089. The next prime is 308214113. The reversal of 308214112 is 211412803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308214113) 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, 79737 + ... + 83512.

It is an arithmetic number, because the mean of its divisors is an integer number (25711875).

Almost surely, 2^308214112 is an apocalyptic number.

308214112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

308214112 is an abundant number, since it is smaller than the sum of its proper divisors (308870888).

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

308214112 is a wasteful number, since it uses less digits than its factorization.

308214112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163318 (or 163310 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 308214112 is about 17556.0277967426. The cubic root of 308214112 is about 675.4877951876.

Adding to 308214112 its reverse (211412803), we get a palindrome (519626915).

The spelling of 308214112 in words is "three hundred eight million, two hundred fourteen thousand, one hundred twelve".