30521342051042 has 16 divisors (see below), whose sum is σ = 48477348257112. Its totient is φ = 14362310246400.

The previous prime is 30521342051027. The next prime is 30521342051063. The reversal of 30521342051042 is 24015024312503.

It can be written as a sum of positive squares in 4 ways, for example, as 30470411040001 + 50931011041 = 5520001^2 + 225679^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20334959 + ... + 21784242.

Almost surely, 2^{30521342051042} is an apocalyptic number.

30521342051042 is a deficient number, since it is larger than the sum of its proper divisors (17956006206070).

30521342051042 is a wasteful number, since it uses less digits than its factorization.

30521342051042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42140533.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 30521342051042 its reverse (24015024312503), we get a palindrome (54536366363545).

The spelling of 30521342051042 in words is "thirty trillion, five hundred twenty-one billion, three hundred forty-two million, fifty-one thousand, forty-two".