1030103009 has 4 divisors (see below), whose sum is σ = 1109341716. Its totient is φ = 950864304.

The previous prime is 1030102991. The next prime is 1030103023. The reversal of 1030103009 is 9003010301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9003010301 = 103 ⋅87407867.

It can be written as a sum of positive squares in 2 ways, for example, as 335622400 + 694480609 = 18320^2 + 26353^2 .

It is not a de Polignac number, because 1030103009 - 2¹⁶ = 1030037473 is a prime.

It is a super-2 number, since 2×1030103009² = 2122224418301708162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1030103059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39619334 + ... + 39619359.

It is an arithmetic number, because the mean of its divisors is an integer number (277335429).

Almost surely, 2^1030103009 is an apocalyptic number.

It is an amenable number.

1030103009 is a deficient number, since it is larger than the sum of its proper divisors (79238707).

1030103009 is an equidigital number, since it uses as much as digits as its factorization.

1030103009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79238706.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1030103009 is about 32095.2178525088. The cubic root of 1030103009 is about 1009.9352992570.

The spelling of 1030103009 in words is "one billion, thirty million, one hundred three thousand, nine".