30513104 has 20 divisors (see below), whose sum is σ = 61158660. Its totient is φ = 14730240.

The previous prime is 30513097. The next prime is 30513127. The reversal of 30513104 is 40131503.

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 5513104 = 5000^2 + 2348^2 .

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 3 ways as a sum of consecutive naturals, for example, 32417 + ... + 33344.

It is an arithmetic number, because the mean of its divisors is an integer number (3057933).

Almost surely, 2^30513104 is an apocalyptic number.

It is an amenable number.

30513104 is an abundant number, since it is smaller than the sum of its proper divisors (30645556).

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

30513104 is a wasteful number, since it uses less digits than its factorization.

30513104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65798 (or 65792 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30513104 is about 5523.8667616082. The cubic root of 30513104 is about 312.4847275736.

Adding to 30513104 its reverse (40131503), we get a palindrome (70644607).

The spelling of 30513104 in words is "thirty million, five hundred thirteen thousand, one hundred four".