30442330273 has 2 divisors, whose sum is σ = 30442330274. Its totient is φ = 30442330272.

The previous prime is 30442330231. The next prime is 30442330277. The reversal of 30442330273 is 37203324403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26389352704 + 4052977569 = 162448^2 + 63663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30442330273 is a prime.

It is not a weakly prime, because it can be changed into another prime (30442330277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221165136 + 15221165137.

It is an arithmetic number, because the mean of its divisors is an integer number (15221165137).

Almost surely, 2^30442330273 is an apocalyptic number.

It is an amenable number.

30442330273 is a deficient number, since it is larger than the sum of its proper divisors (1).

30442330273 is an equidigital number, since it uses as much as digits as its factorization.

30442330273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 31.

Adding to 30442330273 its reverse (37203324403), we get a palindrome (67645654676).

The spelling of 30442330273 in words is "thirty billion, four hundred forty-two million, three hundred thirty thousand, two hundred seventy-three".