322303440312 has 64 divisors (see below), whose sum is σ = 1023185529600. Its totient is φ = 92086696800.

The previous prime is 322303440287. The next prime is 322303440313. The reversal of 322303440312 is 213044303223.

322303440312 is a `hidden beast` number, since 3 + 2 + 2 + 3 + 0 + 344 + 0 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322303440313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106580314 + ... + 106583337.

It is an arithmetic number, because the mean of its divisors is an integer number (15987273900).

Almost surely, 2^322303440312 is an apocalyptic number.

It is an amenable number.

322303440312 is an abundant number, since it is smaller than the sum of its proper divisors (700882089288).

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

322303440312 is a wasteful number, since it uses less digits than its factorization.

322303440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213163673 (or 213163663 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 322303440312 its reverse (213044303223), we get a palindrome (535347743535).

The spelling of 322303440312 in words is "three hundred twenty-two billion, three hundred three million, four hundred forty thousand, three hundred twelve".