321054534211 has 4 divisors (see below), whose sum is σ = 321057517032. Its totient is φ = 321051551392.

The previous prime is 321054534209. The next prime is 321054534233. The reversal of 321054534211 is 112435450123.

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 321054534211 - 2¹ = 321054534209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321054535211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323670 + ... + 1547323.

It is an arithmetic number, because the mean of its divisors is an integer number (80264379258).

Almost surely, 2^321054534211 is an apocalyptic number.

321054534211 is a deficient number, since it is larger than the sum of its proper divisors (2982821).

321054534211 is a wasteful number, since it uses less digits than its factorization.

321054534211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982820.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 321054534211 its reverse (112435450123), we get a palindrome (433489984334).

The spelling of 321054534211 in words is "three hundred twenty-one billion, fifty-four million, five hundred thirty-four thousand, two hundred eleven".