321023220330031 has 32 divisors (see below), whose sum is σ = 364539268706688. Its totient is φ = 280985485271040.

The previous prime is 321023220330023. The next prime is 321023220330083. The reversal of 321023220330031 is 130033022320123.

It is not a de Polignac number, because 321023220330031 - 2³ = 321023220330023 is a prime.

It is a super-2 number, since 2×321023220330031² (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 = 321023220329978 and 321023220330005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023224330031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11537481 + ... + 27841693.

It is an arithmetic number, because the mean of its divisors is an integer number (11391852147084).

Almost surely, 2^{321023220330031} is an apocalyptic number.

321023220330031 is a deficient number, since it is larger than the sum of its proper divisors (43516048376657).

321023220330031 is a wasteful number, since it uses less digits than its factorization.

321023220330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305651.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 321023220330031 its reverse (130033022320123), we get a palindrome (451056242650154).

The spelling of 321023220330031 in words is "three hundred twenty-one trillion, twenty-three billion, two hundred twenty million, three hundred thirty thousand, thirty-one".