30442332321 has 12 divisors (see below), whose sum is σ = 44164279380. Its totient is φ = 20206262880.

The previous prime is 30442332307. The next prime is 30442332329. The reversal of 30442332321 is 12323324403.

30442332321 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 2 + 332 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29048430096 + 1393902225 = 170436^2 + 37335^2 .

It is not a de Polignac number, because 30442332321 - 2⁹ = 30442331809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30442332329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7383270 + ... + 7387391.

It is an arithmetic number, because the mean of its divisors is an integer number (3680356615).

Almost surely, 2^30442332321 is an apocalyptic number.

It is an amenable number.

30442332321 is a deficient number, since it is larger than the sum of its proper divisors (13721947059).

30442332321 is a wasteful number, since it uses less digits than its factorization.

30442332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770896 (or 14770893 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30442332321 its reverse (12323324403), we get a palindrome (42765656724).

The spelling of 30442332321 in words is "thirty billion, four hundred forty-two million, three hundred thirty-two thousand, three hundred twenty-one".