1030430993 has 2 divisors, whose sum is σ = 1030430994. Its totient is φ = 1030430992.

The previous prime is 1030430959. The next prime is 1030431001. The reversal of 1030430993 is 3990340301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 865359889 + 165071104 = 29417^2 + 12848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030430993 - 2¹² = 1030426897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1030430923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515215496 + 515215497.

It is an arithmetic number, because the mean of its divisors is an integer number (515215497).

Almost surely, 2^1030430993 is an apocalyptic number.

It is an amenable number.

1030430993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030430993 is an equidigital number, since it uses as much as digits as its factorization.

1030430993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 1030430993 is about 32100.3269921040. The cubic root of 1030430993 is about 1010.0424754218.

The spelling of 1030430993 in words is "one billion, thirty million, four hundred thirty thousand, nine hundred ninety-three".