103203133 has 4 divisors (see below), whose sum is σ = 112585248. Its totient is φ = 93821020.

The previous prime is 103203127. The next prime is 103203157. The reversal of 103203133 is 331302301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103203133 - 2⁹ = 103202621 is a prime.

It is a super-2 number, since 2×103203133² = 21301773322031378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103233133) 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 in 3 ways as a sum of consecutive naturals, for example, 4691041 + ... + 4691062.

It is an arithmetic number, because the mean of its divisors is an integer number (28146312).

Almost surely, 2^103203133 is an apocalyptic number.

It is an amenable number.

103203133 is a deficient number, since it is larger than the sum of its proper divisors (9382115).

103203133 is an equidigital number, since it uses as much as digits as its factorization.

103203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382114.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 103203133 is about 10158.8942803831. The cubic root of 103203133 is about 469.0627663642.

Adding to 103203133 its reverse (331302301), we get a palindrome (434505434).

The spelling of 103203133 in words is "one hundred three million, two hundred three thousand, one hundred thirty-three".