1030000091 has 2 divisors, whose sum is σ = 1030000092. Its totient is φ = 1030000090.

The previous prime is 1030000031. The next prime is 1030000123. The reversal of 1030000091 is 1900000301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030000091 - 2¹⁰ = 1029999067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030000001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515000045 + 515000046.

It is an arithmetic number, because the mean of its divisors is an integer number (515000046).

Almost surely, 2^1030000091 is an apocalyptic number.

1030000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030000091 is an equidigital number, since it uses as much as digits as its factorization.

1030000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1030000091 is about 32093.6144894900. The cubic root of 1030000091 is about 1009.9016637914.

Adding to 1030000091 its reverse (1900000301), we get a palindrome (2930000392).

The spelling of 1030000091 in words is "one billion, thirty million, ninety-one", and thus it is an aban number and an uban number.