30999241 has 16 divisors (see below), whose sum is σ = 40163200. Its totient is φ = 23234688.

The previous prime is 30999217. The next prime is 30999247. The reversal of 30999241 is 14299903.

It is a cyclic number.

It is not a de Polignac number, because 30999241 - 2⁵ = 30999209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30999241.

It is not an unprimeable number, because it can be changed into a prime (30999247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7236 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (2510200).

Almost surely, 2^30999241 is an apocalyptic number.

It is an amenable number.

30999241 is a deficient number, since it is larger than the sum of its proper divisors (9163959).

30999241 is a wasteful number, since it uses less digits than its factorization.

30999241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17968.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 30999241 is about 5567.6962022007. The cubic root of 30999241 is about 314.1355014463.

The spelling of 30999241 in words is "thirty million, nine hundred ninety-nine thousand, two hundred forty-one".