303249312 has 48 divisors (see below), whose sum is σ = 884479680. Its totient is φ = 101082816.

The previous prime is 303249293. The next prime is 303249337. The reversal of 303249312 is 213942303.

It is a happy number.

303249312 is a `hidden beast` number, since 303 + 2 + 49 + 312 = 666.

303249312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174628 + ... + 176355.

It is an arithmetic number, because the mean of its divisors is an integer number (18426660).

Almost surely, 2^303249312 is an apocalyptic number.

303249312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

303249312 is an abundant number, since it is smaller than the sum of its proper divisors (581230368).

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

303249312 is a wasteful number, since it uses less digits than its factorization.

303249312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351002 (or 350988 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 303249312 is about 17414.0550131209. The cubic root of 303249312 is about 671.8411614384.

The spelling of 303249312 in words is "three hundred three million, two hundred forty-nine thousand, three hundred twelve".