421434044330331 has 8 divisors (see below), whose sum is σ = 580038254562304. Its totient is φ = 271892931825960.

The previous prime is 421434044330317. The next prime is 421434044330417. The reversal of 421434044330331 is 133033440434124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421434044330331 - 2³⁹ = 420884288516443 is a prime.

It is a super-2 number, since 2×421434044330331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421434044330331.

It is not an unprimeable number, because it can be changed into a prime (421434444330331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265774431791 + ... + 2265774431976.

It is an arithmetic number, because the mean of its divisors is an integer number (72504781820288).

Almost surely, 2^{421434044330331} is an apocalyptic number.

421434044330331 is a deficient number, since it is larger than the sum of its proper divisors (158604210231973).

421434044330331 is a wasteful number, since it uses less digits than its factorization.

421434044330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531548863801.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 421434044330331 its reverse (133033440434124), we get a palindrome (554467484764455).

The spelling of 421434044330331 in words is "four hundred twenty-one trillion, four hundred thirty-four billion, forty-four million, three hundred thirty thousand, three hundred thirty-one".