30830180 has 24 divisors (see below), whose sum is σ = 68552568. Its totient is φ = 11606528.

The previous prime is 30830171. The next prime is 30830201. The reversal of 30830180 is 8103803.

It can be written as a sum of positive squares in 4 ways, for example, as 602176 + 30228004 = 776^2 + 5498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44999 + ... + 45678.

It is an arithmetic number, because the mean of its divisors is an integer number (2856357).

Almost surely, 2^30830180 is an apocalyptic number.

It is an amenable number.

30830180 is an abundant number, since it is smaller than the sum of its proper divisors (37722388).

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

30830180 is a wasteful number, since it uses less digits than its factorization.

30830180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90703 (or 90701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30830180 is about 5552.4931337193. The cubic root of 30830180 is about 313.5633917292.

Adding to 30830180 its reverse (8103803), we get a palindrome (38933983).

The spelling of 30830180 in words is "thirty million, eight hundred thirty thousand, one hundred eighty".