321424313243 has 48 divisors (see below), whose sum is σ = 373162241088. Its totient is φ = 276100704000.

The previous prime is 321424313233. The next prime is 321424313251. The reversal of 321424313243 is 342313424123.

It is not a de Polignac number, because 321424313243 - 2⁴ = 321424313227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321424313233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156562205 + ... + 156564257.

It is an arithmetic number, because the mean of its divisors is an integer number (7774213356).

Almost surely, 2^321424313243 is an apocalyptic number.

321424313243 is a deficient number, since it is larger than the sum of its proper divisors (51737927845).

321424313243 is a wasteful number, since it uses less digits than its factorization.

321424313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2745 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 321424313243 its reverse (342313424123), we get a palindrome (663737737366).

The spelling of 321424313243 in words is "three hundred twenty-one billion, four hundred twenty-four million, three hundred thirteen thousand, two hundred forty-three".