421411331 has 8 divisors (see below), whose sum is σ = 463940400. Its totient is φ = 379585440.

The previous prime is 421411271. The next prime is 421411349. The reversal of 421411331 is 133114124.

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 421411331 - 2¹⁴ = 421394947 is a prime.

It is a super-2 number, since 2×421411331² = 355175019790383122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421411031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174536 + ... + 176933.

It is an arithmetic number, because the mean of its divisors is an integer number (57992550).

Almost surely, 2^421411331 is an apocalyptic number.

421411331 is a deficient number, since it is larger than the sum of its proper divisors (42529069).

421411331 is a wasteful number, since it uses less digits than its factorization.

421411331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351589.

The product of its digits is 288, while the sum is 20.

The square root of 421411331 is about 20528.3056047010. The cubic root of 421411331 is about 749.7251324613.

Adding to 421411331 its reverse (133114124), we get a palindrome (554525455).

The spelling of 421411331 in words is "four hundred twenty-one million, four hundred eleven thousand, three hundred thirty-one".