30913841 has 4 divisors (see below), whose sum is σ = 35330112. Its totient is φ = 26497572.

The previous prime is 30913829. The next prime is 30913843. The reversal of 30913841 is 14831903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30913841 - 2¹⁴ = 30897457 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 (30913843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208125 + ... + 2208138.

It is an arithmetic number, because the mean of its divisors is an integer number (8832528).

Almost surely, 2^30913841 is an apocalyptic number.

It is an amenable number.

30913841 is a deficient number, since it is larger than the sum of its proper divisors (4416271).

30913841 is an equidigital number, since it uses as much as digits as its factorization.

30913841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416270.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 30913841 is about 5560.0216726196. The cubic root of 30913841 is about 313.8467648603.

The spelling of 30913841 in words is "thirty million, nine hundred thirteen thousand, eight hundred forty-one".