303213312304 has 80 divisors (see below), whose sum is σ = 679141532160. Its totient is φ = 128458437120.

The previous prime is 303213312289. The next prime is 303213312307. The reversal of 303213312304 is 403213312303.

It is not an unprimeable number, because it can be changed into a prime (303213312307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585549 + ... + 3669139.

It is an arithmetic number, because the mean of its divisors is an integer number (8489269152).

Almost surely, 2^303213312304 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 303213312304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339570766080).

303213312304 is an abundant number, since it is smaller than the sum of its proper divisors (375928219856).

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

303213312304 is a wasteful number, since it uses less digits than its factorization.

303213312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83978 (or 83972 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 303213312304 its reverse (403213312303), we get a palindrome (706426624607).

Subtracting 303213312304 from its reverse (403213312303), we obtain a palindrome (99999999999).

The spelling of 303213312304 in words is "three hundred three billion, two hundred thirteen million, three hundred twelve thousand, three hundred four".