30202130032133 has 4 divisors (see below), whose sum is σ = 30202154026668. Its totient is φ = 30202106037600.

The previous prime is 30202130032111. The next prime is 30202130032183. The reversal of 30202130032133 is 33123003120203.

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 5458101442564 + 24744028589569 = 2336258^2 + 4974337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30202130032133 is a prime.

It is a super-2 number, since 2×30202130032133² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30202130032099 and 30202130032108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202130032103) 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, 9998168 + ... + 12663633.

It is an arithmetic number, because the mean of its divisors is an integer number (7550538506667).

Almost surely, 2^{30202130032133} is an apocalyptic number.

It is an amenable number.

30202130032133 is a deficient number, since it is larger than the sum of its proper divisors (23994535).

30202130032133 is a wasteful number, since it uses less digits than its factorization.

30202130032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994534.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30202130032133 its reverse (33123003120203), we get a palindrome (63325133152336).

The spelling of 30202130032133 in words is "thirty trillion, two hundred two billion, one hundred thirty million, thirty-two thousand, one hundred thirty-three".