308231152 has 20 divisors (see below), whose sum is σ = 598745160. Its totient is φ = 153716288.

The previous prime is 308231141. The next prime is 308231173. The reversal of 308231152 is 251132803.

It is a congruent number.

It is an unprimeable number.

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, 18538 + ... + 30985.

It is an arithmetic number, because the mean of its divisors is an integer number (29937258).

Almost surely, 2^308231152 is an apocalyptic number.

It is an amenable number.

308231152 is a deficient number, since it is larger than the sum of its proper divisors (290514008).

308231152 is a wasteful number, since it uses less digits than its factorization.

308231152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49920 (or 49914 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 308231152 is about 17556.5130934363. The cubic root of 308231152 is about 675.5002433521.

Adding to 308231152 its reverse (251132803), we get a palindrome (559363955).

The spelling of 308231152 in words is "three hundred eight million, two hundred thirty-one thousand, one hundred fifty-two".