30105533042 has 8 divisors (see below), whose sum is σ = 48632014956. Its totient is φ = 13894861392.

The previous prime is 30105533033. The next prime is 30105533077. The reversal of 30105533042 is 24033550103.

It can be written as a sum of positive squares in 2 ways, for example, as 30099127081 + 6405961 = 173491^2 + 2531^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1157905117 = 30105533042 / (3 + 0 + 1 + 0 + 5 + 5 + 3 + 3 + 0 + 4 + 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 3 ways as a sum of consecutive naturals, for example, 578952533 + ... + 578952584.

Almost surely, 2^30105533042 is an apocalyptic number.

30105533042 is a deficient number, since it is larger than the sum of its proper divisors (18526481914).

30105533042 is a wasteful number, since it uses less digits than its factorization.

30105533042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157905132.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 30105533042 in words is "thirty billion, one hundred five million, five hundred thirty-three thousand, forty-two".