543331322312 has 8 divisors (see below), whose sum is σ = 1018746229350. Its totient is φ = 271665661152.

The previous prime is 543331322279. The next prime is 543331322327. The reversal of 543331322312 is 213223133345.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 383911595236 + 159419727076 = 619606^2 + 399274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33958207637 + ... + 33958207652.

Almost surely, 2^543331322312 is an apocalyptic number.

It is an amenable number.

543331322312 is a deficient number, since it is larger than the sum of its proper divisors (475414907038).

543331322312 is a wasteful number, since it uses less digits than its factorization.

543331322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67916415295 (or 67916415291 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

Adding to 543331322312 its reverse (213223133345), we get a palindrome (756554455657).

The spelling of 543331322312 in words is "five hundred forty-three billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred twelve".