30204123403213 has 2 divisors, whose sum is σ = 30204123403214. Its totient is φ = 30204123403212.

The previous prime is 30204123403187. The next prime is 30204123403327. The reversal of 30204123403213 is 31230432140203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27539383848804 + 2664739554409 = 5247798^2 + 1632403^2 .

It is a cyclic number.

It is not a de Polignac number, because 30204123403213 - 2⁹ = 30204123402701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30204123493213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102061701606 + 15102061701607.

It is an arithmetic number, because the mean of its divisors is an integer number (15102061701607).

Almost surely, 2^{30204123403213} is an apocalyptic number.

It is an amenable number.

30204123403213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204123403213 is an equidigital number, since it uses as much as digits as its factorization.

30204123403213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 30204123403213 its reverse (31230432140203), we get a palindrome (61434555543416).

The spelling of 30204123403213 in words is "thirty trillion, two hundred four billion, one hundred twenty-three million, four hundred three thousand, two hundred thirteen".