303342312 has 64 divisors (see below), whose sum is σ = 933367680. Its totient is φ = 80001792.

The previous prime is 303342311. The next prime is 303342329. The reversal of 303342312 is 213243303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (303342311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67263 + ... + 71630.

It is an arithmetic number, because the mean of its divisors is an integer number (14583870).

Almost surely, 2^303342312 is an apocalyptic number.

It is an amenable number.

303342312 is an abundant number, since it is smaller than the sum of its proper divisors (630025368).

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

303342312 is a wasteful number, since it uses less digits than its factorization.

303342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138922 (or 138918 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 303342312 is about 17416.7250652928. The cubic root of 303342312 is about 671.9098341327.

Adding to 303342312 its reverse (213243303), we get a palindrome (516585615).

Subtracting from 303342312 its reverse (213243303), we obtain a palindrome (90099009).

The spelling of 303342312 in words is "three hundred three million, three hundred forty-two thousand, three hundred twelve".