30310213133 has 2 divisors, whose sum is σ = 30310213134. Its totient is φ = 30310213132.

The previous prime is 30310213123. The next prime is 30310213139. The reversal of 30310213133 is 33131201303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27138608644 + 3171604489 = 164738^2 + 56317^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310213133 - 2¹² = 30310209037 is a prime.

It is a super-3 number, since 3×30310213133³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310213139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155106566 + 15155106567.

It is an arithmetic number, because the mean of its divisors is an integer number (15155106567).

Almost surely, 2^30310213133 is an apocalyptic number.

It is an amenable number.

30310213133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310213133 is an equidigital number, since it uses as much as digits as its factorization.

30310213133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30310213133 its reverse (33131201303), we get a palindrome (63441414436).

The spelling of 30310213133 in words is "thirty billion, three hundred ten million, two hundred thirteen thousand, one hundred thirty-three".