30103320 has 128 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 7079424.

The previous prime is 30103289. The next prime is 30103349. The reversal of 30103320 is 2330103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30103296 and 30103305.

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 31 ways as a sum of consecutive naturals, for example, 35461 + ... + 36299.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^30103320 is an apocalyptic number.

30103320 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 30103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

30103320 is an abundant number, since it is smaller than the sum of its proper divisors (71503080).

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

30103320 is a wasteful number, since it uses less digits than its factorization.

30103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30103320 is about 5486.6492506811. The cubic root of 30103320 is about 311.0795521654.

Adding to 30103320 its reverse (2330103), we get a palindrome (32433423).

The spelling of 30103320 in words is "thirty million, one hundred three thousand, three hundred twenty".