30401220242 has 8 divisors (see below), whose sum is σ = 45604428732. Its totient is φ = 15199744000.

The previous prime is 30401220197. The next prime is 30401220259. The reversal of 30401220242 is 24202210403.

It can be written as a sum of positive squares in 2 ways, for example, as 29622196321 + 779023921 = 172111^2 + 27911^2 .

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, 388259 + ... + 459942.

Almost surely, 2^30401220242 is an apocalyptic number.

30401220242 is a deficient number, since it is larger than the sum of its proper divisors (15203208490).

30401220242 is a wasteful number, since it uses less digits than its factorization.

30401220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866124.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30401220242 its reverse (24202210403), we get a palindrome (54603430645).

The spelling of 30401220242 in words is "thirty billion, four hundred one million, two hundred twenty thousand, two hundred forty-two".