103212303 has 4 divisors (see below), whose sum is σ = 137616408. Its totient is φ = 68808200.

The previous prime is 103212301. The next prime is 103212311. The reversal of 103212303 is 303212301.

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

It is a cyclic number.

It is not a de Polignac number, because 103212303 - 2¹ = 103212301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212301) 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, 17202048 + ... + 17202053.

It is an arithmetic number, because the mean of its divisors is an integer number (34404102).

Almost surely, 2^103212303 is an apocalyptic number.

103212303 is a deficient number, since it is larger than the sum of its proper divisors (34404105).

103212303 is an equidigital number, since it uses as much as digits as its factorization.

103212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404104.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103212303 is about 10159.3455990039. The cubic root of 103212303 is about 469.0766586368.

Adding to 103212303 its reverse (303212301), we get a palindrome (406424604).

The spelling of 103212303 in words is "one hundred three million, two hundred twelve thousand, three hundred three".