4302331421 has 2 divisors, whose sum is σ = 4302331422. Its totient is φ = 4302331420.

The previous prime is 4302331381. The next prime is 4302331469. The reversal of 4302331421 is 1241332034.

4302331421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3746786521 + 555544900 = 61211^2 + 23570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4302331421 - 2⁶ = 4302331357 is a prime.

It is a super-2 number, since 2×4302331421² = 37020111312247758482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4302331471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151165710 + 2151165711.

It is an arithmetic number, because the mean of its divisors is an integer number (2151165711).

Almost surely, 2^4302331421 is an apocalyptic number.

It is an amenable number.

4302331421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4302331421 is an equidigital number, since it uses as much as digits as its factorization.

4302331421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4302331421 is about 65592.1597525192. The cubic root of 4302331421 is about 1626.4271701613.

Adding to 4302331421 its reverse (1241332034), we get a palindrome (5543663455).

The spelling of 4302331421 in words is "four billion, three hundred two million, three hundred thirty-one thousand, four hundred twenty-one".