421104031 has 8 divisors (see below), whose sum is σ = 444798464. Its totient is φ = 398041560.

The previous prime is 421104029. The next prime is 421104037. The reversal of 421104031 is 130401124.

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

It is a cyclic number.

It is not a de Polignac number, because 421104031 - 2¹ = 421104029 is a prime.

It is a super-2 number, since 2×421104031² = 354657209848897922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421103996 and 421104014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421104037) 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, 156621 + ... + 159286.

It is an arithmetic number, because the mean of its divisors is an integer number (55599808).

Almost surely, 2^421104031 is an apocalyptic number.

421104031 is a deficient number, since it is larger than the sum of its proper divisors (23694433).

421104031 is a wasteful number, since it uses less digits than its factorization.

421104031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315981.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 421104031 is about 20520.8194524488. The cubic root of 421104031 is about 749.5428508910.

Adding to 421104031 its reverse (130401124), we get a palindrome (551505155).

The spelling of 421104031 in words is "four hundred twenty-one million, one hundred four thousand, thirty-one".