30203010133 has 4 divisors (see below), whose sum is σ = 30203370988. Its totient is φ = 30202649280.

The previous prime is 30203010121. The next prime is 30203010137. The reversal of 30203010133 is 33101030203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19486205649 + 10716804484 = 139593^2 + 103522^2 .

It is a cyclic number.

It is not a de Polignac number, because 30203010133 - 2¹⁷ = 30202879061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203010137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17485 + ... + 246397.

It is an arithmetic number, because the mean of its divisors is an integer number (7550842747).

Almost surely, 2^30203010133 is an apocalyptic number.

It is an amenable number.

30203010133 is a deficient number, since it is larger than the sum of its proper divisors (360855).

30203010133 is a wasteful number, since it uses less digits than its factorization.

30203010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360854.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30203010133 its reverse (33101030203), we get a palindrome (63304040336).

The spelling of 30203010133 in words is "thirty billion, two hundred three million, ten thousand, one hundred thirty-three".