303312230340 has 96 divisors (see below), whose sum is σ = 987050050560. Its totient is φ = 68153444736.

The previous prime is 303312230321. The next prime is 303312230369. The reversal of 303312230340 is 43032213303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 303312230340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6095322 + ... + 6144881.

It is an arithmetic number, because the mean of its divisors is an integer number (10281771360).

Almost surely, 2^303312230340 is an apocalyptic number.

303312230340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303312230340 is an abundant number, since it is smaller than the sum of its proper divisors (683737820220).

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

303312230340 is a wasteful number, since it uses less digits than its factorization.

303312230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240281 (or 12240279 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 303312230340 its reverse (43032213303), we get a palindrome (346344443643).

The spelling of 303312230340 in words is "three hundred three billion, three hundred twelve million, two hundred thirty thousand, three hundred forty".