321004430343311 has 96 divisors (see below), whose sum is σ = 408419207555520. Its totient is φ = 249863438499840.

The previous prime is 321004430343293. The next prime is 321004430343341. The reversal of 321004430343311 is 113343034400123.

It is a happy number.

It is not a de Polignac number, because 321004430343311 - 2³⁴ = 320987250474127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321004430343341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 298362911 + ... + 299436863.

It is an arithmetic number, because the mean of its divisors is an integer number (4254366745370).

Almost surely, 2^{321004430343311} is an apocalyptic number.

321004430343311 is a deficient number, since it is larger than the sum of its proper divisors (87414777212209).

321004430343311 is a wasteful number, since it uses less digits than its factorization.

321004430343311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074217 (or 1074206 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 321004430343311 its reverse (113343034400123), we get a palindrome (434347464743434).

The spelling of 321004430343311 in words is "three hundred twenty-one trillion, four billion, four hundred thirty million, three hundred forty-three thousand, three hundred eleven".