30320003213173 has 2 divisors, whose sum is σ = 30320003213174. Its totient is φ = 30320003213172.

The previous prime is 30320003213053. The next prime is 30320003213189. The reversal of 30320003213173 is 37131230002303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19091988435844 + 11228014777329 = 4369438^2 + 3350823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30320003213173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30320003213473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160001606586 + 15160001606587.

It is an arithmetic number, because the mean of its divisors is an integer number (15160001606587).

Almost surely, 2^{30320003213173} is an apocalyptic number.

It is an amenable number.

30320003213173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320003213173 is an equidigital number, since it uses as much as digits as its factorization.

30320003213173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 28.

Adding to 30320003213173 its reverse (37131230002303), we get a palindrome (67451233215476).

The spelling of 30320003213173 in words is "thirty trillion, three hundred twenty billion, three million, two hundred thirteen thousand, one hundred seventy-three".