30244021133 has 2 divisors, whose sum is σ = 30244021134. Its totient is φ = 30244021132.

The previous prime is 30244021127. The next prime is 30244021163. The reversal of 30244021133 is 33112044203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28926185929 + 1317835204 = 170077^2 + 36302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30244021133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30244021099 and 30244021108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30244021103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15122010566 + 15122010567.

It is an arithmetic number, because the mean of its divisors is an integer number (15122010567).

Almost surely, 2^30244021133 is an apocalyptic number.

It is an amenable number.

30244021133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30244021133 is an equidigital number, since it uses as much as digits as its factorization.

30244021133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30244021133 its reverse (33112044203), we get a palindrome (63356065336).

The spelling of 30244021133 in words is "thirty billion, two hundred forty-four million, twenty-one thousand, one hundred thirty-three".