303140214 has 48 divisors (see below), whose sum is σ = 708965712. Its totient is φ = 93057984.

The previous prime is 303140197. The next prime is 303140249. The reversal of 303140214 is 412041303.

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

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, 121144 + ... + 123620.

It is an arithmetic number, because the mean of its divisors is an integer number (14770119).

Almost surely, 2^303140214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303140214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354482856).

303140214 is an abundant number, since it is smaller than the sum of its proper divisors (405825498).

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

303140214 is a wasteful number, since it uses less digits than its factorization.

303140214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303140214 is about 17410.9222616150. The cubic root of 303140214 is about 671.7605838237.

Adding to 303140214 its reverse (412041303), we get a palindrome (715181517).

The spelling of 303140214 in words is "three hundred three million, one hundred forty thousand, two hundred fourteen".