30850813 has 8 divisors (see below), whose sum is σ = 37113920. Its totient is φ = 25051680.

The previous prime is 30850793. The next prime is 30850873. The reversal of 30850813 is 31805803.

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 30850813 - 2¹³ = 30842621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30850873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115848 + ... + 116113.

It is an arithmetic number, because the mean of its divisors is an integer number (4639240).

Almost surely, 2^30850813 is an apocalyptic number.

It is an amenable number.

30850813 is a deficient number, since it is larger than the sum of its proper divisors (6263107).

30850813 is a wasteful number, since it uses less digits than its factorization.

30850813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231987.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 30850813 is about 5554.3508171523. The cubic root of 30850813 is about 313.6333265648.

The spelling of 30850813 in words is "thirty million, eight hundred fifty thousand, eight hundred thirteen".