103331003 has 4 divisors (see below), whose sum is σ = 103661448. Its totient is φ = 103000560.

The previous prime is 103330993. The next prime is 103331023. The reversal of 103331003 is 300133301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300133301 = 13 ⋅23087177.

It is a cyclic number.

It is not a de Polignac number, because 103331003 - 2¹⁶ = 103265467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103331023) 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, 164753 + ... + 165378.

It is an arithmetic number, because the mean of its divisors is an integer number (25915362).

Almost surely, 2^103331003 is an apocalyptic number.

103331003 is a deficient number, since it is larger than the sum of its proper divisors (330445).

103331003 is an equidigital number, since it uses as much as digits as its factorization.

103331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330444.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 103331003 is about 10165.1858320446. The cubic root of 103331003 is about 469.2564113296.

Adding to 103331003 its reverse (300133301), we get a palindrome (403464304).

The spelling of 103331003 in words is "one hundred three million, three hundred thirty-one thousand, three".