421304311 has 8 divisors (see below), whose sum is σ = 434639744. Its totient is φ = 408071520.

The previous prime is 421304269. The next prime is 421304321. The reversal of 421304311 is 113403124.

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

It is not a de Polignac number, because 421304311 - 2¹³ = 421296119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421304321) 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, 17280 + ... + 33781.

It is an arithmetic number, because the mean of its divisors is an integer number (54329968).

Almost surely, 2^421304311 is an apocalyptic number.

421304311 is a deficient number, since it is larger than the sum of its proper divisors (13335433).

421304311 is a wasteful number, since it uses less digits than its factorization.

421304311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51321.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421304311 is about 20525.6987944382. The cubic root of 421304311 is about 749.6616613181.

Adding to 421304311 its reverse (113403124), we get a palindrome (534707435).

The spelling of 421304311 in words is "four hundred twenty-one million, three hundred four thousand, three hundred eleven".