30803961 has 8 divisors (see below), whose sum is σ = 41120320. Its totient is φ = 20511792.

The previous prime is 30803951. The next prime is 30804031. The reversal of 30803961 is 16930803.

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

It is not a de Polignac number, because 30803961 - 2⁹ = 30803449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30803911) 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, 2830 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (5140040).

Almost surely, 2^30803961 is an apocalyptic number.

It is an amenable number.

30803961 is a deficient number, since it is larger than the sum of its proper divisors (10316359).

30803961 is a wasteful number, since it uses less digits than its factorization.

30803961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 30803961 is about 5550.1316200609. The cubic root of 30803961 is about 313.4744783092.

The spelling of 30803961 in words is "thirty million, eight hundred three thousand, nine hundred sixty-one".