421302310 has 64 divisors (see below), whose sum is σ = 900051264. Its totient is φ = 139968000.

The previous prime is 421302283. The next prime is 421302317. The reversal of 421302310 is 13203124.

It is a happy number.

It is a super-2 number, since 2×421302310² = 354991272822672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421302317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142972 + ... + 145888.

It is an arithmetic number, because the mean of its divisors is an integer number (14063301).

Almost surely, 2^421302310 is an apocalyptic number.

421302310 is an abundant number, since it is smaller than the sum of its proper divisors (478748954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421302310 is a wasteful number, since it uses less digits than its factorization.

421302310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 421302310 is about 20525.6500506074. The cubic root of 421302310 is about 749.6604744679.

Adding to 421302310 its reverse (13203124), we get a palindrome (434505434).

The spelling of 421302310 in words is "four hundred twenty-one million, three hundred two thousand, three hundred ten".