30310216133 has 2 divisors, whose sum is σ = 30310216134. Its totient is φ = 30310216132.

The previous prime is 30310216103. The next prime is 30310216169. The reversal of 30310216133 is 33161201303.

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., 24666901249 + 5643314884 = 157057^2 + 75122^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310216133 - 2¹⁶ = 30310150597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30310216099 and 30310216108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310216103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155108066 + 15155108067.

It is an arithmetic number, because the mean of its divisors is an integer number (15155108067).

Almost surely, 2^30310216133 is an apocalyptic number.

It is an amenable number.

30310216133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310216133 is an equidigital number, since it uses as much as digits as its factorization.

30310216133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30310216133 its reverse (33161201303), we get a palindrome (63471417436).

The spelling of 30310216133 in words is "thirty billion, three hundred ten million, two hundred sixteen thousand, one hundred thirty-three".