30113212133 has 2 divisors, whose sum is σ = 30113212134. Its totient is φ = 30113212132.

The previous prime is 30113212099. The next prime is 30113212177. The reversal of 30113212133 is 33121231103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18898825729 + 11214386404 = 137473^2 + 105898^2 .

It is a cyclic number.

It is not a de Polignac number, because 30113212133 - 2¹⁸ = 30112949989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113212333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056606066 + 15056606067.

It is an arithmetic number, because the mean of its divisors is an integer number (15056606067).

Almost surely, 2^30113212133 is an apocalyptic number.

It is an amenable number.

30113212133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113212133 is an equidigital number, since it uses as much as digits as its factorization.

30113212133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30113212133 its reverse (33121231103), we get a palindrome (63234443236).

The spelling of 30113212133 in words is "thirty billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirty-three".