321030211023231 has 4 divisors (see below), whose sum is σ = 428040281364312. Its totient is φ = 214020140682152.

The previous prime is 321030211023209. The next prime is 321030211023251. The reversal of 321030211023231 is 132320112030123.

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 321030211023231 - 2⁵ = 321030211023199 is a prime.

It is a super-2 number, since 2×321030211023231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321030211023251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53505035170536 + ... + 53505035170541.

It is an arithmetic number, because the mean of its divisors is an integer number (107010070341078).

Almost surely, 2^{321030211023231} is an apocalyptic number.

321030211023231 is a deficient number, since it is larger than the sum of its proper divisors (107010070341081).

321030211023231 is a wasteful number, since it uses less digits than its factorization.

321030211023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107010070341080.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 321030211023231 its reverse (132320112030123), we get a palindrome (453350323053354).

The spelling of 321030211023231 in words is "three hundred twenty-one trillion, thirty billion, two hundred eleven million, twenty-three thousand, two hundred thirty-one".