4032304031421 has 6 divisors (see below), whose sum is σ = 5824439156510. Its totient is φ = 2688202687608.

The previous prime is 4032304031389. The next prime is 4032304031461. The reversal of 4032304031421 is 1241304032304.

4032304031421 is a `hidden beast` number, since 4 + 0 + 3 + 230 + 4 + 0 + 3 + 1 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3462535702521 + 569768328900 = 1860789^2 + 754830^2 .

It is not a de Polignac number, because 4032304031421 - 2⁵ = 4032304031389 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 (4032304031461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224016890626 + ... + 224016890643.

Almost surely, 2^{4032304031421} is an apocalyptic number.

It is an amenable number.

4032304031421 is a deficient number, since it is larger than the sum of its proper divisors (1792135125089).

4032304031421 is a wasteful number, since it uses less digits than its factorization.

4032304031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448033781275 (or 448033781272 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4032304031421 its reverse (1241304032304), we get a palindrome (5273608063725).

The spelling of 4032304031421 in words is "four trillion, thirty-two billion, three hundred four million, thirty-one thousand, four hundred twenty-one".