1300013203 has 4 divisors (see below), whose sum is σ = 1324541808. Its totient is φ = 1275484600.

The previous prime is 1300013191. The next prime is 1300013219. The reversal of 1300013203 is 3023100031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1300013203 - 2²⁵ = 1266458771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300013503) 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, 12264223 + ... + 12264328.

It is an arithmetic number, because the mean of its divisors is an integer number (331135452).

Almost surely, 2^1300013203 is an apocalyptic number.

1300013203 is a deficient number, since it is larger than the sum of its proper divisors (24528605).

1300013203 is an equidigital number, since it uses as much as digits as its factorization.

1300013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528604.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1300013203 is about 36055.6958468423. The cubic root of 1300013203 is about 1091.3965778333.

Adding to 1300013203 its reverse (3023100031), we get a palindrome (4323113234).

The spelling of 1300013203 in words is "one billion, three hundred million, thirteen thousand, two hundred three".