3230421421 has 2 divisors, whose sum is σ = 3230421422. Its totient is φ = 3230421420.

The previous prime is 3230421349. The next prime is 3230421443. The reversal of 3230421421 is 1241240323.

It is an a-pointer prime, because the next prime (3230421443) can be obtained adding 3230421421 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1667088900 + 1563332521 = 40830^2 + 39539^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230421421 - 2¹⁵ = 3230388653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3230421392 and 3230421401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3230421451) 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, 1615210710 + 1615210711.

It is an arithmetic number, because the mean of its divisors is an integer number (1615210711).

Almost surely, 2^3230421421 is an apocalyptic number.

It is an amenable number.

3230421421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3230421421 is an equidigital number, since it uses as much as digits as its factorization.

3230421421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3230421421 is about 56836.7963646791. The cubic root of 3230421421 is about 1478.2676072772.

Adding to 3230421421 its reverse (1241240323), we get a palindrome (4471661744).

The spelling of 3230421421 in words is "three billion, two hundred thirty million, four hundred twenty-one thousand, four hundred twenty-one".