30211333213 has 2 divisors, whose sum is σ = 30211333214. Its totient is φ = 30211333212.

The previous prime is 30211333157. The next prime is 30211333337. The reversal of 30211333213 is 31233311203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25053508089 + 5157825124 = 158283^2 + 71818^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211333213 - 2¹⁷ = 30211202141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30211333013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105666606 + 15105666607.

It is an arithmetic number, because the mean of its divisors is an integer number (15105666607).

Almost surely, 2^30211333213 is an apocalyptic number.

It is an amenable number.

30211333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211333213 is an equidigital number, since it uses as much as digits as its factorization.

30211333213 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 22.

Adding to 30211333213 its reverse (31233311203), we get a palindrome (61444644416).

The spelling of 30211333213 in words is "thirty billion, two hundred eleven million, three hundred thirty-three thousand, two hundred thirteen".