30130320 has 160 divisors (see below), whose sum is σ = 103814784. Its totient is φ = 7168000.

The previous prime is 30130283. The next prime is 30130339. The reversal of 30130320 is 2303103.

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 = 30130296 and 30130305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266584 + ... + 266696.

Almost surely, 2^30130320 is an apocalyptic number.

30130320 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 30130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51907392).

30130320 is an abundant number, since it is smaller than the sum of its proper divisors (73684464).

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

30130320 is a wasteful number, since it uses less digits than its factorization.

30130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

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

The square root of 30130320 is about 5489.1092173503. The cubic root of 30130320 is about 311.1725279353.

Adding to 30130320 its reverse (2303103), we get a palindrome (32433423).

The spelling of 30130320 in words is "thirty million, one hundred thirty thousand, three hundred twenty".