11030312273 has 2 divisors, whose sum is σ = 11030312274. Its totient is φ = 11030312272.

The previous prime is 11030312257. The next prime is 11030312291. The reversal of 11030312273 is 37221303011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10942833664 + 87478609 = 104608^2 + 9353^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030312273 - 2⁴ = 11030312257 is a prime.

It is not a weakly prime, because it can be changed into another prime (11030312773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515156136 + 5515156137.

It is an arithmetic number, because the mean of its divisors is an integer number (5515156137).

Almost surely, 2^11030312273 is an apocalyptic number.

It is an amenable number.

11030312273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030312273 is an equidigital number, since it uses as much as digits as its factorization.

11030312273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 11030312273 its reverse (37221303011), we get a palindrome (48251615284).

The spelling of 11030312273 in words is "eleven billion, thirty million, three hundred twelve thousand, two hundred seventy-three".