30420313124 has 6 divisors (see below), whose sum is σ = 53235547974. Its totient is φ = 15210156560.

The previous prime is 30420313087. The next prime is 30420313141. The reversal of 30420313124 is 42131302403.

It can be written as a sum of positive squares in only one way, i.e., 21486282724 + 8934030400 = 146582^2 + 94520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30420313124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3802539137 + ... + 3802539144.

It is an arithmetic number, because the mean of its divisors is an integer number (8872591329).

Almost surely, 2^30420313124 is an apocalyptic number.

It is an amenable number.

30420313124 is a deficient number, since it is larger than the sum of its proper divisors (22815234850).

30420313124 is a wasteful number, since it uses less digits than its factorization.

30420313124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605078285 (or 7605078283 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30420313124 its reverse (42131302403), we get a palindrome (72551615527).

The spelling of 30420313124 in words is "thirty billion, four hundred twenty million, three hundred thirteen thousand, one hundred twenty-four".