30461130 has 128 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 6834240.

The previous prime is 30461099. The next prime is 30461141. The reversal of 30461130 is 3116403.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134077 + ... + 134303.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^30461130 is an apocalyptic number.

30461130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30461130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47278080).

30461130 is an abundant number, since it is smaller than the sum of its proper divisors (64095030).

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

30461130 is a wasteful number, since it uses less digits than its factorization.

30461130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30461130 is about 5519.1602622138. The cubic root of 30461130 is about 312.3072048138.

Adding to 30461130 its reverse (3116403), we get a palindrome (33577533).

The spelling of 30461130 in words is "thirty million, four hundred sixty-one thousand, one hundred thirty".