30103816842 has 48 divisors (see below), whose sum is σ = 71191860480. Its totient is φ = 9117576000.

The previous prime is 30103816829. The next prime is 30103816843. The reversal of 30103816842 is 24861830103.

It is a junction number, because it is equal to n+sod(n) for n = 30103816797 and 30103816806.

It is not an unprimeable number, because it can be changed into a prime (30103816843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347334 + ... + 425262.

It is an arithmetic number, because the mean of its divisors is an integer number (1483163760).

Almost surely, 2^30103816842 is an apocalyptic number.

30103816842 is an abundant number, since it is smaller than the sum of its proper divisors (41088043638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30103816842 is a wasteful number, since it uses less digits than its factorization.

30103816842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79899 (or 79896 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 30103816842 in words is "thirty billion, one hundred three million, eight hundred sixteen thousand, eight hundred forty-two".