312223333132 has 24 divisors (see below), whose sum is σ = 551542972176. Its totient is φ = 154639868928.

The previous prime is 312223333129. The next prime is 312223333187. The reversal of 312223333132 is 231333322213.

It is a self number, because there is not a number n which added to its sum of digits gives 312223333132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7114168 + ... + 7157920.

It is an arithmetic number, because the mean of its divisors is an integer number (22980957174).

Almost surely, 2^312223333132 is an apocalyptic number.

It is an amenable number.

312223333132 is a deficient number, since it is larger than the sum of its proper divisors (239319639044).

312223333132 is a wasteful number, since it uses less digits than its factorization.

312223333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60537 (or 60535 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

Adding to 312223333132 its reverse (231333322213), we get a palindrome (543556655345).

The spelling of 312223333132 in words is "three hundred twelve billion, two hundred twenty-three million, three hundred thirty-three thousand, one hundred thirty-two".