421442401331301 has 16 divisors (see below), whose sum is σ = 642304146161664. Its totient is φ = 240784403853744.

The previous prime is 421442401331293. The next prime is 421442401331311. The reversal of 421442401331301 is 103133104244124.

It is a happy number.

It is not a de Polignac number, because 421442401331301 - 2³ = 421442401331293 is a prime.

It is a super-2 number, since 2×421442401331301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421442401331311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659264925 + ... + 1659518898.

It is an arithmetic number, because the mean of its divisors is an integer number (40144009135104).

Almost surely, 2^{421442401331301} is an apocalyptic number.

It is an amenable number.

421442401331301 is a deficient number, since it is larger than the sum of its proper divisors (220861744830363).

421442401331301 is a wasteful number, since it uses less digits than its factorization.

421442401331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318789880.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 421442401331301 its reverse (103133104244124), we get a palindrome (524575505575425).

The spelling of 421442401331301 in words is "four hundred twenty-one trillion, four hundred forty-two billion, four hundred one million, three hundred thirty-one thousand, three hundred one".