303143214 has 64 divisors (see below), whose sum is σ = 703272960. Its totient is φ = 86145120.

The previous prime is 303143189. The next prime is 303143219. The reversal of 303143214 is 412341303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303143219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127989 + ... + 130335.

It is an arithmetic number, because the mean of its divisors is an integer number (10988640).

Almost surely, 2^303143214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303143214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351636480).

303143214 is an abundant number, since it is smaller than the sum of its proper divisors (400129746).

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

303143214 is a wasteful number, since it uses less digits than its factorization.

303143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 303143214 is about 17411.0084142189. The cubic root of 303143214 is about 671.7627998226.

Adding to 303143214 its reverse (412341303), we get a palindrome (715484517).

The spelling of 303143214 in words is "three hundred three million, one hundred forty-three thousand, two hundred fourteen".