4203131421 has 16 divisors (see below), whose sum is σ = 5654994944. Its totient is φ = 2776730544.

The previous prime is 4203131411. The next prime is 4203131423. The reversal of 4203131421 is 1241313024.

It is not a de Polignac number, because 4203131421 - 2⁹ = 4203130909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4203131423) 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, 339486 + ... + 351648.

It is an arithmetic number, because the mean of its divisors is an integer number (353437184).

Almost surely, 2^4203131421 is an apocalyptic number.

It is an amenable number.

4203131421 is a deficient number, since it is larger than the sum of its proper divisors (1451863523).

4203131421 is a wasteful number, since it uses less digits than its factorization.

4203131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4203131421 is about 64831.5619201018. The cubic root of 4203131421 is about 1613.8295245351.

Adding to 4203131421 its reverse (1241313024), we get a palindrome (5444444445).

The spelling of 4203131421 in words is "four billion, two hundred three million, one hundred thirty-one thousand, four hundred twenty-one".