4321313421 has 8 divisors (see below), whose sum is σ = 5787134304. Its totient is φ = 2868184080.

The previous prime is 4321313413. The next prime is 4321313441. The reversal of 4321313421 is 1243131234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4321313421 - 2³ = 4321313413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4321313391 and 4321313400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321313441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172090 + ... + 3173451.

It is an arithmetic number, because the mean of its divisors is an integer number (723391788).

Almost surely, 2^4321313421 is an apocalyptic number.

It is an amenable number.

4321313421 is a deficient number, since it is larger than the sum of its proper divisors (1465820883).

4321313421 is a wasteful number, since it uses less digits than its factorization.

4321313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345771.

The product of its digits is 1728, while the sum is 24.

The square root of 4321313421 is about 65736.6976733696. The cubic root of 4321313421 is about 1628.8156075427.

Adding to 4321313421 its reverse (1243131234), we get a palindrome (5564444655).

The spelling of 4321313421 in words is "four billion, three hundred twenty-one million, three hundred thirteen thousand, four hundred twenty-one".