30880239 has 8 divisors (see below), whose sum is σ = 44340912. Its totient is φ = 19003200.

The previous prime is 30880219. The next prime is 30880253. The reversal of 30880239 is 93208803.

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

It is not a de Polignac number, because 30880239 - 2¹¹ = 30878191 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395862 + ... + 395939.

It is an arithmetic number, because the mean of its divisors is an integer number (5542614).

Almost surely, 2^30880239 is an apocalyptic number.

30880239 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30880239 is a deficient number, since it is larger than the sum of its proper divisors (13460673).

30880239 is a wasteful number, since it uses less digits than its factorization.

30880239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791817.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 30880239 is about 5556.9991002339. Note that the first 3 decimals coincide. The cubic root of 30880239 is about 313.7330110429.

The spelling of 30880239 in words is "thirty million, eight hundred eighty thousand, two hundred thirty-nine".