4131334421 has 4 divisors (see below), whose sum is σ = 4136925600. Its totient is φ = 4125743244.

The previous prime is 4131334351. The next prime is 4131334453. The reversal of 4131334421 is 1244331314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4131334421 is a prime.

It is a super-3 number, since 3×4131334421³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131334021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2794481 + ... + 2795958.

It is an arithmetic number, because the mean of its divisors is an integer number (1034231400).

Almost surely, 2^4131334421 is an apocalyptic number.

It is an amenable number.

4131334421 is a deficient number, since it is larger than the sum of its proper divisors (5591179).

4131334421 is an equidigital number, since it uses as much as digits as its factorization.

4131334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591178.

The product of its digits is 3456, while the sum is 26.

The square root of 4131334421 is about 64275.4573768246. The cubic root of 4131334421 is about 1604.5876693019.

Adding to 4131334421 its reverse (1244331314), we get a palindrome (5375665735).

The spelling of 4131334421 in words is "four billion, one hundred thirty-one million, three hundred thirty-four thousand, four hundred twenty-one".