2320444440231 has 32 divisors (see below), whose sum is σ = 3281119392000. Its totient is φ = 1454598984960.

The previous prime is 2320444440217. The next prime is 2320444440289. The reversal of 2320444440231 is 1320444440232.

It is not a de Polignac number, because 2320444440231 - 2⁷ = 2320444440103 is a prime.

It is a super-2 number, since 2×2320444440231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2320444440192 and 2320444440201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320444447231) 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, 11115840 + ... + 11322666.

It is an arithmetic number, because the mean of its divisors is an integer number (102534981000).

Almost surely, 2^{2320444440231} is an apocalyptic number.

2320444440231 is a deficient number, since it is larger than the sum of its proper divisors (960674951769).

2320444440231 is a wasteful number, since it uses less digits than its factorization.

2320444440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208319.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2320444440231 its reverse (1320444440232), we get a palindrome (3640888880463).

Subtracting from 2320444440231 its reverse (1320444440232), we obtain a palindrome (999999999999).

The spelling of 2320444440231 in words is "two trillion, three hundred twenty billion, four hundred forty-four million, four hundred forty thousand, two hundred thirty-one".