30103313220 has 144 divisors (see below), whose sum is σ = 96807180288. Its totient is φ = 7558583040.

The previous prime is 30103313203. The next prime is 30103313237. The reversal of 30103313220 is 2231330103.

30103313220 is a `hidden beast` number, since 3 + 0 + 10 + 331 + 322 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30103313203) and next prime (30103313237).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30103313193 and 30103313202.

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 in 47 ways as a sum of consecutive naturals, for example, 133557 + ... + 279363.

Almost surely, 2^30103313220 is an apocalyptic number.

30103313220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30103313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48403590144).

30103313220 is an abundant number, since it is smaller than the sum of its proper divisors (66703867068).

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

30103313220 is a wasteful number, since it uses less digits than its factorization.

30103313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145890 (or 145885 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30103313220 its reverse (2231330103), we get a palindrome (32334643323).

The spelling of 30103313220 in words is "thirty billion, one hundred three million, three hundred thirteen thousand, two hundred twenty".