321110334121331 has 4 divisors (see below), whose sum is σ = 321282881320464. Its totient is φ = 320937786922200.

The previous prime is 321110334121309. The next prime is 321110334121361. The reversal of 321110334121331 is 133121433011123.

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 321110334121331 - 2⁶ = 321110334121267 is a prime.

It is a super-2 number, since 2×321110334121331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321110334121294 and 321110334121303.

It is not an unprimeable number, because it can be changed into a prime (321110334121361) 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, 86273596775 + ... + 86273600496.

It is an arithmetic number, because the mean of its divisors is an integer number (80320720330116).

Almost surely, 2^{321110334121331} is an apocalyptic number.

321110334121331 is a deficient number, since it is larger than the sum of its proper divisors (172547199133).

321110334121331 is a wasteful number, since it uses less digits than its factorization.

321110334121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172547199132.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 321110334121331 its reverse (133121433011123), we get a palindrome (454231767132454).

The spelling of 321110334121331 in words is "three hundred twenty-one trillion, one hundred ten billion, three hundred thirty-four million, one hundred twenty-one thousand, three hundred thirty-one".