1013203099 has 2 divisors, whose sum is σ = 1013203100. Its totient is φ = 1013203098.

The previous prime is 1013203057. The next prime is 1013203133. The reversal of 1013203099 is 9903023101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013203099 - 2⁹ = 1013202587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013203019) 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, 506601549 + 506601550.

It is an arithmetic number, because the mean of its divisors is an integer number (506601550).

Almost surely, 2^1013203099 is an apocalyptic number.

1013203099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013203099 is an equidigital number, since it uses as much as digits as its factorization.

1013203099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1013203099 is about 31830.8513709577. The cubic root of 1013203099 is about 1004.3818047433.

The spelling of 1013203099 in words is "one billion, thirteen million, two hundred three thousand, ninety-nine".