303820034 has 16 divisors (see below), whose sum is σ = 521123328. Its totient is φ = 130136352.

The previous prime is 303820031. The next prime is 303820043. The reversal of 303820034 is 430028303.

It is a super-2 number, since 2×303820034² = 184613226119522312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 303819991 and 303820009.

It is not an unprimeable number, because it can be changed into a prime (303820031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25982 + ... + 35814.

It is an arithmetic number, because the mean of its divisors is an integer number (32570208).

Almost surely, 2^303820034 is an apocalyptic number.

303820034 is a deficient number, since it is larger than the sum of its proper divisors (217303294).

303820034 is a wasteful number, since it uses less digits than its factorization.

303820034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12049.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 303820034 is about 17430.4341311397. The cubic root of 303820034 is about 672.2623706802.

Adding to 303820034 its reverse (430028303), we get a palindrome (733848337).

The spelling of 303820034 in words is "three hundred three million, eight hundred twenty thousand, thirty-four".