30203103445 has 8 divisors (see below), whose sum is σ = 36248670936. Its totient is φ = 24159184896.

The previous prime is 30203103421. The next prime is 30203103451. The reversal of 30203103445 is 54430130203.

It can be written as a sum of positive squares in 4 ways, for example, as 917968804 + 29285134641 = 30298^2 + 171129^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30203103445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371572 + ... + 445501.

It is an arithmetic number, because the mean of its divisors is an integer number (4531083867).

Almost surely, 2^30203103445 is an apocalyptic number.

It is an amenable number.

30203103445 is a deficient number, since it is larger than the sum of its proper divisors (6045567491).

30203103445 is an equidigital number, since it uses as much as digits as its factorization.

30203103445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824471.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30203103445 its reverse (54430130203), we get a palindrome (84633233648).

The spelling of 30203103445 in words is "thirty billion, two hundred three million, one hundred three thousand, four hundred forty-five".