30233212033 has 4 divisors (see below), whose sum is σ = 30532550868. Its totient is φ = 29933873200.

The previous prime is 30233211973. The next prime is 30233212049. The reversal of 30233212033 is 33021233203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17874887809 + 12358324224 = 133697^2 + 111168^2 .

It is a cyclic number.

It is not a de Polignac number, because 30233212033 - 2²⁹ = 29696341121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30233211995 and 30233212013.

It is not an unprimeable number, because it can be changed into a prime (30233242033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149669266 + ... + 149669467.

It is an arithmetic number, because the mean of its divisors is an integer number (7633137717).

Almost surely, 2^30233212033 is an apocalyptic number.

It is an amenable number.

30233212033 is a deficient number, since it is larger than the sum of its proper divisors (299338835).

30233212033 is a wasteful number, since it uses less digits than its factorization.

30233212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299338834.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30233212033 its reverse (33021233203), we get a palindrome (63254445236).

The spelling of 30233212033 in words is "thirty billion, two hundred thirty-three million, two hundred twelve thousand, thirty-three".