30013000 has 32 divisors (see below), whose sum is σ = 70232760. Its totient is φ = 12004800.

The previous prime is 30012977. The next prime is 30013003. The reversal of 30013000 is 31003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 29008996 = 1002^2 + 5386^2 .

It is not an unprimeable number, because it can be changed into a prime (30013003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14007 + ... + 16006.

Almost surely, 2^30013000 is an apocalyptic number.

It is an amenable number.

30013000 is an abundant number, since it is smaller than the sum of its proper divisors (40219760).

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

30013000 is a wasteful number, since it uses less digits than its factorization.

30013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30034 (or 30020 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 30013000 is about 5478.4121787248. The cubic root of 30013000 is about 310.7681263613.

Adding to 30013000 its reverse (31003), we get a palindrome (30044003).

The spelling of 30013000 in words is "thirty million, thirteen thousand".