30851049 has 8 divisors (see below), whose sum is σ = 41597280. Its totient is φ = 20336096.

The previous prime is 30850997. The next prime is 30851053. The reversal of 30851049 is 94015803.

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 30851049 - 2⁸ = 30850793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30851059) 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, 57507 + ... + 58040.

It is an arithmetic number, because the mean of its divisors is an integer number (5199660).

Almost surely, 2^30851049 is an apocalyptic number.

It is an amenable number.

30851049 is a deficient number, since it is larger than the sum of its proper divisors (10746231).

30851049 is a wasteful number, since it uses less digits than its factorization.

30851049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115639.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 30851049 is about 5554.3720617186. The cubic root of 30851049 is about 313.6341262982.

The spelling of 30851049 in words is "thirty million, eight hundred fifty-one thousand, forty-nine".