30520125884 has 6 divisors (see below), whose sum is σ = 53410220304. Its totient is φ = 15260062940.

The previous prime is 30520125829. The next prime is 30520125887. The reversal of 30520125884 is 48852102503.

It is a super-3 number, since 3×30520125884³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520125887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815015732 + ... + 3815015739.

It is an arithmetic number, because the mean of its divisors is an integer number (8901703384).

Almost surely, 2^30520125884 is an apocalyptic number.

It is an amenable number.

30520125884 is a deficient number, since it is larger than the sum of its proper divisors (22890094420).

30520125884 is a wasteful number, since it uses less digits than its factorization.

30520125884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630031475 (or 7630031473 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 30520125884 in words is "thirty billion, five hundred twenty million, one hundred twenty-five thousand, eight hundred eighty-four".