30203203013 has 2 divisors, whose sum is σ = 30203203014. Its totient is φ = 30203203012.

The previous prime is 30203203007. The next prime is 30203203081. The reversal of 30203203013 is 31030230203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29893372609 + 309830404 = 172897^2 + 17602^2 .

It is a cyclic number.

It is not a de Polignac number, because 30203203013 - 2¹⁸ = 30202940869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30203202982 and 30203203000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30203203313) 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 as a sum of consecutive naturals, namely, 15101601506 + 15101601507.

It is an arithmetic number, because the mean of its divisors is an integer number (15101601507).

Almost surely, 2^30203203013 is an apocalyptic number.

It is an amenable number.

30203203013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30203203013 is an equidigital number, since it uses as much as digits as its factorization.

30203203013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30203203013 its reverse (31030230203), we get a palindrome (61233433216).

The spelling of 30203203013 in words is "thirty billion, two hundred three million, two hundred three thousand, thirteen".