320204213000343 has 56 divisors (see below), whose sum is σ = 548856341968928. Its totient is φ = 182911865375232.

The previous prime is 320204213000317. The next prime is 320204213000369. The reversal of 320204213000343 is 343000312402023.

320204213000343 is a `hidden beast` number, since 3 + 202 + 0 + 421 + 3 + 0 + 0 + 0 + 34 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (320204213000317) and next prime (320204213000369).

It is not a de Polignac number, because 320204213000343 - 2⁵ = 320204213000311 is a prime.

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 (320204213040343) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4444671 + ... + 25693647.

It is an arithmetic number, because the mean of its divisors is an integer number (9801006106588).

Almost surely, 2^{320204213000343} is an apocalyptic number.

320204213000343 is a deficient number, since it is larger than the sum of its proper divisors (228652128968585).

320204213000343 is an equidigital number, since it uses as much as digits as its factorization.

320204213000343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251955 (or 21251940 counting only the distinct ones).

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

Adding to 320204213000343 its reverse (343000312402023), we get a palindrome (663204525402366).

The spelling of 320204213000343 in words is "three hundred twenty trillion, two hundred four billion, two hundred thirteen million, three hundred forty-three", and thus it is an aban number.