30311093 has 2 divisors, whose sum is σ = 30311094. Its totient is φ = 30311092.

The previous prime is 30311081. The next prime is 30311129. The reversal of 30311093 is 39011303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 8427409 = 4678^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 30311093 - 2¹⁰ = 30310069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30311053) 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, 15155546 + 15155547.

It is an arithmetic number, because the mean of its divisors is an integer number (15155547).

Almost surely, 2^30311093 is an apocalyptic number.

It is an amenable number.

30311093 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311093 is an equidigital number, since it uses as much as digits as its factorization.

30311093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 30311093 is about 5505.5511077457. The cubic root of 30311093 is about 311.7936018485.

Adding to 30311093 its reverse (39011303), we get a palindrome (69322396).

The spelling of 30311093 in words is "thirty million, three hundred eleven thousand, ninety-three".