103211003 has 6 divisors (see below), whose sum is σ = 120061836. Its totient is φ = 88466532.

The previous prime is 103210999. The next prime is 103211027. The reversal of 103211003 is 300112301.

It is not a de Polignac number, because 103211003 - 2² = 103210999 is a prime.

It is a super-2 number, since 2×103211003² = 21305022280532018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103211033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1053125 + ... + 1053222.

It is an arithmetic number, because the mean of its divisors is an integer number (20010306).

Almost surely, 2^103211003 is an apocalyptic number.

103211003 is a deficient number, since it is larger than the sum of its proper divisors (16850833).

103211003 is an equidigital number, since it uses as much as digits as its factorization.

103211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106361 (or 2106354 counting only the distinct ones).

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

The square root of 103211003 is about 10159.2816183035. The cubic root of 103211003 is about 469.0746892262.

Adding to 103211003 its reverse (300112301), we get a palindrome (403323304).

The spelling of 103211003 in words is "one hundred three million, two hundred eleven thousand, three".