1230211303 has 4 divisors (see below), whose sum is σ = 1230282088. Its totient is φ = 1230140520.

The previous prime is 1230211271. The next prime is 1230211313. The reversal of 1230211303 is 3031120321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3031120321 = 13633 ⋅222337.

It is a cyclic number.

It is not a de Polignac number, because 1230211303 - 2⁵ = 1230211271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230211313) 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, 10600 + ... + 50722.

It is an arithmetic number, because the mean of its divisors is an integer number (307570522).

Almost surely, 2^1230211303 is an apocalyptic number.

1230211303 is a deficient number, since it is larger than the sum of its proper divisors (70785).

1230211303 is an equidigital number, since it uses as much as digits as its factorization.

1230211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70784.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1230211303 is about 35074.3681767755. The cubic root of 1230211303 is about 1071.5026208538.

Adding to 1230211303 its reverse (3031120321), we get a palindrome (4261331624).

The spelling of 1230211303 in words is "one billion, two hundred thirty million, two hundred eleven thousand, three hundred three".