30142021325 has 48 divisors (see below), whose sum is σ = 43515131520. Its totient is φ = 20517131520.

The previous prime is 30142021319. The next prime is 30142021361. The reversal of 30142021325 is 52312024103.

It is not a de Polignac number, because 30142021325 - 2⁸ = 30142021069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30142021325.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 162512 + ... + 294438.

It is an arithmetic number, because the mean of its divisors is an integer number (906565240).

Almost surely, 2^30142021325 is an apocalyptic number.

It is an amenable number.

30142021325 is a deficient number, since it is larger than the sum of its proper divisors (13373110195).

30142021325 is a wasteful number, since it uses less digits than its factorization.

30142021325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132006 (or 132001 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 30142021325 its reverse (52312024103), we get a palindrome (82454045428).

The spelling of 30142021325 in words is "thirty billion, one hundred forty-two million, twenty-one thousand, three hundred twenty-five".