4131424221 has 12 divisors (see below), whose sum is σ = 5628271872. Its totient is φ = 2695676728.

The previous prime is 4131424217. The next prime is 4131424229. The reversal of 4131424221 is 1224241314.

It is not a de Polignac number, because 4131424221 - 2² = 4131424217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4131424191 and 4131424200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131424229) 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 11 ways as a sum of consecutive naturals, for example, 305085 + ... + 318338.

It is an arithmetic number, because the mean of its divisors is an integer number (469022656).

Almost surely, 2^4131424221 is an apocalyptic number.

It is an amenable number.

4131424221 is a deficient number, since it is larger than the sum of its proper divisors (1496847651).

4131424221 is an equidigital number, since it uses as much as digits as its factorization.

4131424221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623520 (or 623473 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 4131424221 is about 64276.1559289290. The cubic root of 4131424221 is about 1604.5992951604.

Adding to 4131424221 its reverse (1224241314), we get a palindrome (5355665535).

The spelling of 4131424221 in words is "four billion, one hundred thirty-one million, four hundred twenty-four thousand, two hundred twenty-one".