2421443331 has 12 divisors (see below), whose sum is σ = 3703384152. Its totient is φ = 1519336896.

The previous prime is 2421443329. The next prime is 2421443347. The reversal of 2421443331 is 1333441242.

It is not a de Polignac number, because 2421443331 - 2¹ = 2421443329 is a prime.

It is a super-2 number, since 2×2421443331² = 11726775610488751122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421443295 and 2421443304.

It is not an unprimeable number, because it can be changed into a prime (2421444331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7913061 + ... + 7913366.

It is an arithmetic number, because the mean of its divisors is an integer number (308615346).

Almost surely, 2^2421443331 is an apocalyptic number.

2421443331 is a deficient number, since it is larger than the sum of its proper divisors (1281940821).

2421443331 is a wasteful number, since it uses less digits than its factorization.

2421443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826450 (or 15826447 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2421443331 is about 49208.1632557038. The cubic root of 2421443331 is about 1342.8415476713.

Adding to 2421443331 its reverse (1333441242), we get a palindrome (3754884573).

The spelling of 2421443331 in words is "two billion, four hundred twenty-one million, four hundred forty-three thousand, three hundred thirty-one".