1301100203 has 4 divisors (see below), whose sum is σ = 1401184848. Its totient is φ = 1201015560.

The previous prime is 1301100197. The next prime is 1301100209. The reversal of 1301100203 is 3020011031.

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

It is an interprime number because it is at equal distance from previous prime (1301100197) and next prime (1301100209).

It is a cyclic number.

It is not a de Polignac number, because 1301100203 - 2³⁰ = 227358379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50042303 + ... + 50042328.

It is an arithmetic number, because the mean of its divisors is an integer number (350296212).

Almost surely, 2^1301100203 is an apocalyptic number.

1301100203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1301100203 is a deficient number, since it is larger than the sum of its proper divisors (100084645).

1301100203 is a wasteful number, since it uses less digits than its factorization.

1301100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100084644.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1301100203 is about 36070.7665984520. The cubic root of 1301100203 is about 1091.7006818167.

Adding to 1301100203 its reverse (3020011031), we get a palindrome (4321111234).

The spelling of 1301100203 in words is "one billion, three hundred one million, one hundred thousand, two hundred three".