303144030 has 48 divisors (see below), whose sum is σ = 900772704. Its totient is φ = 69289920.

The previous prime is 303144013. The next prime is 303144043. The reversal of 303144030 is 30441303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 303143994 and 303144012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239961 + ... + 241220.

It is an arithmetic number, because the mean of its divisors is an integer number (18766098).

Almost surely, 2^303144030 is an apocalyptic number.

303144030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

303144030 is an abundant number, since it is smaller than the sum of its proper divisors (597628674).

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

303144030 is a wasteful number, since it uses less digits than its factorization.

303144030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481201 (or 481198 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 303144030 is about 17411.0318476534. The cubic root of 303144030 is about 671.7634025718.

Adding to 303144030 its reverse (30441303), we get a palindrome (333585333).

The spelling of 303144030 in words is "three hundred three million, one hundred forty-four thousand, thirty".