30313033213 has 2 divisors, whose sum is σ = 30313033214. Its totient is φ = 30313033212.

The previous prime is 30313033169. The next prime is 30313033229. The reversal of 30313033213 is 31233031303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22995599449 + 7317433764 = 151643^2 + 85542^2 .

It is an emirp because it is prime and its reverse (31233031303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30313033213 is a prime.

It is a super-2 number, since 2×30313033213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313033313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156516606 + 15156516607.

It is an arithmetic number, because the mean of its divisors is an integer number (15156516607).

Almost surely, 2^30313033213 is an apocalyptic number.

It is an amenable number.

30313033213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313033213 is an equidigital number, since it uses as much as digits as its factorization.

30313033213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 30313033213 its reverse (31233031303), we get a palindrome (61546064516).

The spelling of 30313033213 in words is "thirty billion, three hundred thirteen million, thirty-three thousand, two hundred thirteen".