30280130 has 16 divisors (see below), whose sum is σ = 54609984. Its totient is φ = 12088560.

The previous prime is 30280109. The next prime is 30280139. The reversal of 30280130 is 3108203.

30280130 = 1583² + 1584² + ... + 1594².

It is a super-3 number, since 3×30280130³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30280099 and 30280108.

It is not an unprimeable number, because it can be changed into a prime (30280139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (3413124).

Almost surely, 2^30280130 is an apocalyptic number.

30280130 is a deficient number, since it is larger than the sum of its proper divisors (24329854).

30280130 is a wasteful number, since it uses less digits than its factorization.

30280130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30280130 is about 5502.7384091923. The cubic root of 30280130 is about 311.6873992074.

Adding to 30280130 its reverse (3108203), we get a palindrome (33388333).

The spelling of 30280130 in words is "thirty million, two hundred eighty thousand, one hundred thirty".