421002312302 has 64 divisors (see below), whose sum is σ = 745565990400. Its totient is φ = 175774596480.

The previous prime is 421002312287. The next prime is 421002312337. The reversal of 421002312302 is 203213200124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74392349 + ... + 74398007.

It is an arithmetic number, because the mean of its divisors is an integer number (11649468600).

Almost surely, 2^421002312302 is an apocalyptic number.

421002312302 is a deficient number, since it is larger than the sum of its proper divisors (324563678098).

421002312302 is a wasteful number, since it uses less digits than its factorization.

421002312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 421002312302 its reverse (203213200124), we get a palindrome (624215512426).

The spelling of 421002312302 in words is "four hundred twenty-one billion, two million, three hundred twelve thousand, three hundred two".