30203013 has 8 divisors (see below), whose sum is σ = 40588288. Its totient is φ = 19976544.

The previous prime is 30203009. The next prime is 30203023. The reversal of 30203013 is 31030203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30203013 - 2² = 30203009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30203013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203023) 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, 39256 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (5073536).

Almost surely, 2^30203013 is an apocalyptic number.

It is an amenable number.

30203013 is a deficient number, since it is larger than the sum of its proper divisors (10385275).

30203013 is a wasteful number, since it uses less digits than its factorization.

30203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79403.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30203013 is about 5495.7267945195. The cubic root of 30203013 is about 311.4225739323.

Adding to 30203013 its reverse (31030203), we get a palindrome (61233216).

The spelling of 30203013 in words is "thirty million, two hundred three thousand, thirteen".