2431220326 has 16 divisors (see below), whose sum is σ = 3671061264. Its totient is φ = 1207558144.

The previous prime is 2431220321. The next prime is 2431220327. The reversal of 2431220326 is 6230221342.

2431220326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2431220326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431220321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200550 + ... + 212326.

It is an arithmetic number, because the mean of its divisors is an integer number (229441329).

Almost surely, 2^2431220326 is an apocalyptic number.

2431220326 is a deficient number, since it is larger than the sum of its proper divisors (1239840938).

2431220326 is a wasteful number, since it uses less digits than its factorization.

2431220326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2431220326 is about 49307.4064010672. The cubic root of 2431220326 is about 1344.6464387625.

Adding to 2431220326 its reverse (6230221342), we get a palindrome (8661441668).

The spelling of 2431220326 in words is "two billion, four hundred thirty-one million, two hundred twenty thousand, three hundred twenty-six".