11030312291 has 2 divisors, whose sum is σ = 11030312292. Its totient is φ = 11030312290.

The previous prime is 11030312273. The next prime is 11030312303. The reversal of 11030312291 is 19221303011.

11030312291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11030312291 - 2¹⁰ = 11030311267 is a prime.

It is not a weakly prime, because it can be changed into another prime (11030312591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515156145 + 5515156146.

It is an arithmetic number, because the mean of its divisors is an integer number (5515156146).

Almost surely, 2^11030312291 is an apocalyptic number.

11030312291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030312291 is an equidigital number, since it uses as much as digits as its factorization.

11030312291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 11030312291 in words is "eleven billion, thirty million, three hundred twelve thousand, two hundred ninety-one".