30133320253 has 2 divisors, whose sum is σ = 30133320254. Its totient is φ = 30133320252.

The previous prime is 30133320251. The next prime is 30133320341. The reversal of 30133320253 is 35202333103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29988887929 + 144432324 = 173173^2 + 12018^2 .

It is a cyclic number.

It is not a de Polignac number, because 30133320253 - 2¹ = 30133320251 is a prime.

Together with 30133320251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30133320251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066660126 + 15066660127.

It is an arithmetic number, because the mean of its divisors is an integer number (15066660127).

Almost surely, 2^30133320253 is an apocalyptic number.

It is an amenable number.

30133320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133320253 is an equidigital number, since it uses as much as digits as its factorization.

30133320253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 25.

Adding to 30133320253 its reverse (35202333103), we get a palindrome (65335653356).

The spelling of 30133320253 in words is "thirty billion, one hundred thirty-three million, three hundred twenty thousand, two hundred fifty-three".