30215002042 has 8 divisors (see below), whose sum is σ = 45324396756. Its totient is φ = 15106869792.

The previous prime is 30215002031. The next prime is 30215002057. The reversal of 30215002042 is 24020051203.

It can be written as a sum of positive squares in 2 ways, for example, as 30209568481 + 5433561 = 173809^2 + 2331^2 .

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

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, 253323 + ... + 352990.

Almost surely, 2^30215002042 is an apocalyptic number.

30215002042 is a deficient number, since it is larger than the sum of its proper divisors (15109394714).

30215002042 is a wasteful number, since it uses less digits than its factorization.

30215002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631232.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30215002042 its reverse (24020051203), we get a palindrome (54235053245).

The spelling of 30215002042 in words is "thirty billion, two hundred fifteen million, two thousand, forty-two".