312320330220 has 48 divisors (see below), whose sum is σ = 874536219648. Its totient is φ = 83281679040.

The previous prime is 312320330213. The next prime is 312320330233. The reversal of 312320330220 is 22033023213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389925 + ... + 1598915.

It is an arithmetic number, because the mean of its divisors is an integer number (18219504576).

Almost surely, 2^312320330220 is an apocalyptic number.

312320330220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312320330220 is an abundant number, since it is smaller than the sum of its proper divisors (562215889428).

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

312320330220 is a wasteful number, since it uses less digits than its factorization.

312320330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233910 (or 233908 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 312320330220 its reverse (22033023213), we get a palindrome (334353353433).

The spelling of 312320330220 in words is "three hundred twelve billion, three hundred twenty million, three hundred thirty thousand, two hundred twenty".