103213003 has 4 divisors (see below), whose sum is σ = 103233520. Its totient is φ = 103192488.

The previous prime is 103212979. The next prime is 103213009. The reversal of 103213003 is 300312301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103213003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103213009) 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, 3001 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (25808380).

Almost surely, 2^103213003 is an apocalyptic number.

103213003 is a deficient number, since it is larger than the sum of its proper divisors (20517).

103213003 is an equidigital number, since it uses as much as digits as its factorization.

103213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20516.

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

The square root of 103213003 is about 10159.3800499834. The cubic root of 103213003 is about 469.0777190819.

Adding to 103213003 its reverse (300312301), we get a palindrome (403525304).

The spelling of 103213003 in words is "one hundred three million, two hundred thirteen thousand, three".