30103312320 has 84 divisors (see below), whose sum is σ = 103542861240. Its totient is φ = 8027549184.

The previous prime is 30103312307. The next prime is 30103312331. The reversal of 30103312320 is 2321330103.

30103312320 is a `hidden beast` number, since 3 + 0 + 10 + 331 + 2 + 320 = 666.

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 = 30103312293 and 30103312302.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5223390 + ... + 5229149.

It is an arithmetic number, because the mean of its divisors is an integer number (1232653110).

Almost surely, 2^30103312320 is an apocalyptic number.

30103312320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30103312320 is an abundant number, since it is smaller than the sum of its proper divisors (73439548920).

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

30103312320 is a wasteful number, since it uses less digits than its factorization.

30103312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452562 (or 10452549 counting only the distinct ones).

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

Adding to 30103312320 its reverse (2321330103), we get a palindrome (32424642423).

The spelling of 30103312320 in words is "thirty billion, one hundred three million, three hundred twelve thousand, three hundred twenty".