312443321334 has 32 divisors (see below), whose sum is σ = 661722263136. Its totient is φ = 98009940480.

The previous prime is 312443321303. The next prime is 312443321341. The reversal of 312443321334 is 433123344213.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312443321295 and 312443321304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716364 + ... + 1066800.

It is an arithmetic number, because the mean of its divisors is an integer number (20678820723).

Almost surely, 2^312443321334 is an apocalyptic number.

312443321334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

312443321334 is an abundant number, since it is smaller than the sum of its proper divisors (349278941802).

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

312443321334 is a wasteful number, since it uses less digits than its factorization.

312443321334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359200.

The product of its digits is 62208, while the sum is 33.

Adding to 312443321334 its reverse (433123344213), we get a palindrome (745566665547).

The spelling of 312443321334 in words is "three hundred twelve billion, four hundred forty-three million, three hundred twenty-one thousand, three hundred thirty-four".