312321004331224 has 48 divisors (see below), whose sum is σ = 681251521275000. Its totient is φ = 133843769958528.

The previous prime is 312321004331209. The next prime is 312321004331227. The reversal of 312321004331224 is 422133400123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312321004331227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17577474 + ... + 30555025.

Almost surely, 2^{312321004331224} is an apocalyptic number.

It is an amenable number.

312321004331224 is an abundant number, since it is smaller than the sum of its proper divisors (368930516943776).

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

312321004331224 is a wasteful number, since it uses less digits than its factorization.

312321004331224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48149072 (or 48149061 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312321004331224 its reverse (422133400123213), we get a palindrome (734454404454437).

The spelling of 312321004331224 in words is "three hundred twelve trillion, three hundred twenty-one billion, four million, three hundred thirty-one thousand, two hundred twenty-four".