303134420 has 48 divisors (see below), whose sum is σ = 645094800. Its totient is φ = 119645184.

The previous prime is 303134413. The next prime is 303134449. The reversal of 303134420 is 24431303.

It can be written as a sum of positive squares in 8 ways, for example, as 9560464 + 293573956 = 3092^2 + 17134^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 303134392 and 303134401.

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 15 ways as a sum of consecutive naturals, for example, 868406 + ... + 868754.

It is an arithmetic number, because the mean of its divisors is an integer number (13439475).

Almost surely, 2^303134420 is an apocalyptic number.

It is an amenable number.

303134420 is an abundant number, since it is smaller than the sum of its proper divisors (341960380).

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

303134420 is a wasteful number, since it uses less digits than its factorization.

303134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 303134420 is about 17410.7558710126. The cubic root of 303134420 is about 671.7563039499.

Adding to 303134420 its reverse (24431303), we get a palindrome (327565723).

The spelling of 303134420 in words is "three hundred three million, one hundred thirty-four thousand, four hundred twenty".