303113020 has 72 divisors (see below), whose sum is σ = 757787184. Its totient is φ = 101493504.

The previous prime is 303113003. The next prime is 303113029. The reversal of 303113020 is 20311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303113029) 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 23 ways as a sum of consecutive naturals, for example, 38544 + ... + 45736.

It is an arithmetic number, because the mean of its divisors is an integer number (10524822).

Almost surely, 2^303113020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303113020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378893592).

303113020 is an abundant number, since it is smaller than the sum of its proper divisors (454674164).

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

303113020 is a wasteful number, since it uses less digits than its factorization.

303113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259 (or 7250 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 303113020 is about 17410.1412975312. The cubic root of 303113020 is about 671.7404958658.

Adding to 303113020 its reverse (20311303), we get a palindrome (323424323).

The spelling of 303113020 in words is "three hundred three million, one hundred thirteen thousand, twenty".