421310304242 has 8 divisors (see below), whose sum is σ = 635173403436. Its totient is φ = 209585836432.

The previous prime is 421310304221. The next prime is 421310304257. The reversal of 421310304242 is 242403013124.

It can be written as a sum of positive squares in 2 ways, for example, as 419555448361 + 1754855881 = 647731^2 + 41891^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534657353 + ... + 534658140.

Almost surely, 2^421310304242 is an apocalyptic number.

421310304242 is a deficient number, since it is larger than the sum of its proper divisors (213863099194).

421310304242 is a wasteful number, since it uses less digits than its factorization.

421310304242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069315692.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 421310304242 its reverse (242403013124), we get a palindrome (663713317366).

The spelling of 421310304242 in words is "four hundred twenty-one billion, three hundred ten million, three hundred four thousand, two hundred forty-two".