321032321311 has 4 divisors (see below), whose sum is σ = 345727115272. Its totient is φ = 296337527352.

The previous prime is 321032321249. The next prime is 321032321347. The reversal of 321032321311 is 113123230123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321032321311 - 2⁹ = 321032320799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321032328311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12347396961 + ... + 12347396986.

It is an arithmetic number, because the mean of its divisors is an integer number (86431778818).

Almost surely, 2^321032321311 is an apocalyptic number.

321032321311 is a deficient number, since it is larger than the sum of its proper divisors (24694793961).

321032321311 is a wasteful number, since it uses less digits than its factorization.

321032321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24694793960.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321032321311 its reverse (113123230123), we get a palindrome (434155551434).

The spelling of 321032321311 in words is "three hundred twenty-one billion, thirty-two million, three hundred twenty-one thousand, three hundred eleven".