2431344421 has 16 divisors (see below), whose sum is σ = 2771440128. Its totient is φ = 2111353200.

The previous prime is 2431344379. The next prime is 2431344431. The reversal of 2431344421 is 1244431342.

It is a de Polignac number, because none of the positive numbers 2^k-2431344421 is a prime.

It is a super-2 number, since 2×2431344421² = 11822871387055650482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431344421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431344431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193006 + ... + 205216.

It is an arithmetic number, because the mean of its divisors is an integer number (173215008).

Almost surely, 2^2431344421 is an apocalyptic number.

It is an amenable number.

2431344421 is a deficient number, since it is larger than the sum of its proper divisors (340095707).

2431344421 is a wasteful number, since it uses less digits than its factorization.

2431344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032.

The product of its digits is 9216, while the sum is 28.

The square root of 2431344421 is about 49308.6647659415. The cubic root of 2431344421 is about 1344.6693163080.

Adding to 2431344421 its reverse (1244431342), we get a palindrome (3675775763).

The spelling of 2431344421 in words is "two billion, four hundred thirty-one million, three hundred forty-four thousand, four hundred twenty-one".