30002013 has 12 divisors (see below), whose sum is σ = 43668768. Its totient is φ = 19847880.

The previous prime is 30002009. The next prime is 30002023. The reversal of 30002013 is 31020003.

It is a happy number.

It is not a de Polignac number, because 30002013 - 2² = 30002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30001986 and 30002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11545 + ... + 13902.

It is an arithmetic number, because the mean of its divisors is an integer number (3639064).

Almost surely, 2^30002013 is an apocalyptic number.

It is an amenable number.

30002013 is a deficient number, since it is larger than the sum of its proper divisors (13666755).

30002013 is a wasteful number, since it uses less digits than its factorization.

30002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25584 (or 25581 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30002013 is about 5477.4093328872. The cubic root of 30002013 is about 310.7302002833.

Adding to 30002013 its reverse (31020003), we get a palindrome (61022016).

The spelling of 30002013 in words is "thirty million, two thousand, thirteen".