320213120543 has 2 divisors, whose sum is σ = 320213120544. Its totient is φ = 320213120542.

The previous prime is 320213120533. The next prime is 320213120561. The reversal of 320213120543 is 345021312023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320213120543 - 2²⁰ = 320212071967 is a prime.

It is a super-2 number, since 2×320213120543² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320213120503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106560271 + 160106560272.

It is an arithmetic number, because the mean of its divisors is an integer number (160106560272).

Almost surely, 2^320213120543 is an apocalyptic number.

320213120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

320213120543 is an equidigital number, since it uses as much as digits as its factorization.

320213120543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320213120543 its reverse (345021312023), we get a palindrome (665234432566).

The spelling of 320213120543 in words is "three hundred twenty billion, two hundred thirteen million, one hundred twenty thousand, five hundred forty-three".