312434323220 has 12 divisors (see below), whose sum is σ = 656112078804. Its totient is φ = 124973729280.

The previous prime is 312434323213. The next prime is 312434323259. The reversal of 312434323220 is 22323434213.

It can be written as a sum of positive squares in 2 ways, for example, as 237017080336 + 75417242884 = 486844^2 + 274622^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7810858061 + ... + 7810858100.

It is an arithmetic number, because the mean of its divisors is an integer number (54676006567).

Almost surely, 2^312434323220 is an apocalyptic number.

It is an amenable number.

312434323220 is an abundant number, since it is smaller than the sum of its proper divisors (343677755584).

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

312434323220 is a wasteful number, since it uses less digits than its factorization.

312434323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621716170 (or 15621716168 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 312434323220 its reverse (22323434213), we get a palindrome (334757757433).

The spelling of 312434323220 in words is "three hundred twelve billion, four hundred thirty-four million, three hundred twenty-three thousand, two hundred twenty".