30203012133 has 144 divisors (see below), whose sum is σ = 54906948096. Its totient is φ = 16243053120.

The previous prime is 30203012131. The next prime is 30203012137. The reversal of 30203012133 is 33121030203.

It is not a de Polignac number, because 30203012133 - 2¹ = 30203012131 is a prime.

It is a super-2 number, since 2×30203012133² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203012131) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 61513018 + ... + 61513508.

Almost surely, 2^30203012133 is an apocalyptic number.

It is an amenable number.

30203012133 is a deficient number, since it is larger than the sum of its proper divisors (24703935963).

30203012133 is an equidigital number, since it uses as much as digits as its factorization.

30203012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30203012133 its reverse (33121030203), we get a palindrome (63324042336).

The spelling of 30203012133 in words is "thirty billion, two hundred three million, twelve thousand, one hundred thirty-three".