30442213242 has 108 divisors (see below), whose sum is σ = 81506317230. Its totient is φ = 8186072832.

The previous prime is 30442213223. The next prime is 30442213253. The reversal of 30442213242 is 24231224403.

30442213242 is a `hidden beast` number, since 3 + 0 + 442 + 213 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 28784176281 + 1658036961 = 169659^2 + 40719^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 195184 + ... + 314612.

Almost surely, 2^30442213242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30442213242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40753158615).

30442213242 is an abundant number, since it is smaller than the sum of its proper divisors (51064103988).

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

30442213242 is a wasteful number, since it uses less digits than its factorization.

30442213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119485 (or 119458 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30442213242 its reverse (24231224403), we get a palindrome (54673437645).

The spelling of 30442213242 in words is "thirty billion, four hundred forty-two million, two hundred thirteen thousand, two hundred forty-two".