321130300231 has 32 divisors (see below), whose sum is σ = 372690743040. Its totient is φ = 274155404544.

The previous prime is 321130300217. The next prime is 321130300273. The reversal of 321130300231 is 132003031123.

It is a cyclic number.

It is not a de Polignac number, because 321130300231 - 2¹³ = 321130292039 is a prime.

It is a super-2 number, since 2×321130300231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321130300199 and 321130300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321130300201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24389856 + ... + 24403018.

It is an arithmetic number, because the mean of its divisors is an integer number (11646585720).

Almost surely, 2^321130300231 is an apocalyptic number.

321130300231 is a deficient number, since it is larger than the sum of its proper divisors (51560442809).

321130300231 is a wasteful number, since it uses less digits than its factorization.

321130300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15535.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321130300231 its reverse (132003031123), we get a palindrome (453133331354).

The spelling of 321130300231 in words is "three hundred twenty-one billion, one hundred thirty million, three hundred thousand, two hundred thirty-one".