30404343323213 has 2 divisors, whose sum is σ = 30404343323214. Its totient is φ = 30404343323212.

The previous prime is 30404343323161. The next prime is 30404343323231. The reversal of 30404343323213 is 31232334340403.

Together with next prime (30404343323231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24794205266884 + 5610138056329 = 4979378^2 + 2368573^2 .

It is a cyclic number.

It is not a de Polignac number, because 30404343323213 - 2²² = 30404339128909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30404343323113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202171661606 + 15202171661607.

It is an arithmetic number, because the mean of its divisors is an integer number (15202171661607).

Almost surely, 2^{30404343323213} is an apocalyptic number.

It is an amenable number.

30404343323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404343323213 is an equidigital number, since it uses as much as digits as its factorization.

30404343323213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 30404343323213 its reverse (31232334340403), we get a palindrome (61636677663616).

The spelling of 30404343323213 in words is "thirty trillion, four hundred four billion, three hundred forty-three million, three hundred twenty-three thousand, two hundred thirteen".