421301034321 has 16 divisors (see below), whose sum is σ = 562404768000. Its totient is φ = 280532429568.

The previous prime is 421301034223. The next prime is 421301034337. The reversal of 421301034321 is 123430103124.

It is a happy number.

It is not a de Polignac number, because 421301034321 - 2¹⁰ = 421301033297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421301034291 and 421301034300.

It is not an unprimeable number, because it can be changed into a prime (421301035321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29768955 + ... + 29783103.

It is an arithmetic number, because the mean of its divisors is an integer number (35150298000).

Almost surely, 2^421301034321 is an apocalyptic number.

It is an amenable number.

421301034321 is a deficient number, since it is larger than the sum of its proper divisors (141103733679).

421301034321 is a wasteful number, since it uses less digits than its factorization.

421301034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25288.

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

Adding to 421301034321 its reverse (123430103124), we get a palindrome (544731137445).

The spelling of 421301034321 in words is "four hundred twenty-one billion, three hundred one million, thirty-four thousand, three hundred twenty-one".