321002040321243 has 24 divisors (see below), whose sum is σ = 475047926681328. Its totient is φ = 208762319973312.

The previous prime is 321002040321229. The next prime is 321002040321271. The reversal of 321002040321243 is 342123040200123.

321002040321243 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 0 + 2 + 0 + 403 + 212 + 43 = 666.

It is not a de Polignac number, because 321002040321243 - 2¹⁶ = 321002040255707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321002040321143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520057080 + ... + 520673957.

It is an arithmetic number, because the mean of its divisors is an integer number (19793663611722).

Almost surely, 2^{321002040321243} is an apocalyptic number.

321002040321243 is a deficient number, since it is larger than the sum of its proper divisors (154045886360085).

321002040321243 is a wasteful number, since it uses less digits than its factorization.

321002040321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040731883 (or 1040731880 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321002040321243 its reverse (342123040200123), we get a palindrome (663125080521366).

The spelling of 321002040321243 in words is "three hundred twenty-one trillion, two billion, forty million, three hundred twenty-one thousand, two hundred forty-three".