30120313 has 8 divisors (see below), whose sum is σ = 31182336. Its totient is φ = 29064000.

The previous prime is 30120289. The next prime is 30120323. The reversal of 30120313 is 31302103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120293 and 30120302.

It is not an unprimeable number, because it can be changed into a prime (30120323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11220 + ... + 13642.

It is an arithmetic number, because the mean of its divisors is an integer number (3897792).

Almost surely, 2^30120313 is an apocalyptic number.

It is an amenable number.

30120313 is a deficient number, since it is larger than the sum of its proper divisors (1062023).

30120313 is a wasteful number, since it uses less digits than its factorization.

30120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30120313 is about 5488.1976094160. The cubic root of 30120313 is about 311.1380748408.

Adding to 30120313 its reverse (31302103), we get a palindrome (61422416).

The spelling of 30120313 in words is "thirty million, one hundred twenty thousand, three hundred thirteen".