30033400213 has 2 divisors, whose sum is σ = 30033400214. Its totient is φ = 30033400212.

The previous prime is 30033400171. The next prime is 30033400247. The reversal of 30033400213 is 31200433003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30032196804 + 1203409 = 173298^2 + 1097^2 .

It is an emirp because it is prime and its reverse (31200433003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30033400213 - 2²¹ = 30031303061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30033400273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016700106 + 15016700107.

It is an arithmetic number, because the mean of its divisors is an integer number (15016700107).

Almost surely, 2^30033400213 is an apocalyptic number.

It is an amenable number.

30033400213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033400213 is an equidigital number, since it uses as much as digits as its factorization.

30033400213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30033400213 its reverse (31200433003), we get a palindrome (61233833216).

The spelling of 30033400213 in words is "thirty billion, thirty-three million, four hundred thousand, two hundred thirteen".