305310020242 has 8 divisors (see below), whose sum is σ = 457970310000. Its totient is φ = 152653250244.

The previous prime is 305310020231. The next prime is 305310020293. The reversal of 305310020242 is 242020013503.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651192 + ... + 1017187.

It is an arithmetic number, because the mean of its divisors is an integer number (57246288750).

Almost surely, 2^305310020242 is an apocalyptic number.

305310020242 is a deficient number, since it is larger than the sum of its proper divisors (152660289758).

305310020242 is a wasteful number, since it uses less digits than its factorization.

305310020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759880.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 305310020242 its reverse (242020013503), we get a palindrome (547330033745).

The spelling of 305310020242 in words is "three hundred five billion, three hundred ten million, twenty thousand, two hundred forty-two".