30001308 has 12 divisors (see below), whose sum is σ = 70003080. Its totient is φ = 10000432.

The previous prime is 30001303. The next prime is 30001331. The reversal of 30001308 is 80310003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001303) 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, 1250043 + ... + 1250066.

It is an arithmetic number, because the mean of its divisors is an integer number (5833590).

Almost surely, 2^30001308 is an apocalyptic number.

It is an amenable number.

30001308 is an abundant number, since it is smaller than the sum of its proper divisors (40001772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30001308 is a wasteful number, since it uses less digits than its factorization.

30001308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500116 (or 2500114 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30001308 is about 5477.3449772677. The cubic root of 30001308 is about 310.7277663743.

The spelling of 30001308 in words is "thirty million, one thousand, three hundred eight".