30838313 has 8 divisors (see below), whose sum is σ = 33695616. Its totient is φ = 27990000.

The previous prime is 30838307. The next prime is 30838343. The reversal of 30838313 is 31383803.

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

It is a cyclic number.

It is not a de Polignac number, because 30838313 - 2¹² = 30834217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30838343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6395 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (4211952).

Almost surely, 2^30838313 is an apocalyptic number.

It is an amenable number.

30838313 is a deficient number, since it is larger than the sum of its proper divisors (2857303).

30838313 is a wasteful number, since it uses less digits than its factorization.

30838313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30838313 is about 5553.2254591363. The cubic root of 30838313 is about 313.5909619742.

Subtracting 30838313 from its reverse (31383803), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 30838313 in words is "thirty million, eight hundred thirty-eight thousand, three hundred thirteen".