2303212313 has 4 divisors (see below), whose sum is σ = 2307633588. Its totient is φ = 2298791040.

The previous prime is 2303212291. The next prime is 2303212321. The reversal of 2303212313 is 3132123032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1524355849 + 778856464 = 39043^2 + 27908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303212313 - 2¹⁴ = 2303195929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209856 + ... + 2210897.

It is an arithmetic number, because the mean of its divisors is an integer number (576908397).

Almost surely, 2^2303212313 is an apocalyptic number.

It is an amenable number.

2303212313 is a deficient number, since it is larger than the sum of its proper divisors (4421275).

2303212313 is an equidigital number, since it uses as much as digits as its factorization.

2303212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421274.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2303212313 is about 47991.7942256799. The cubic root of 2303212313 is about 1320.6203682141.

Adding to 2303212313 its reverse (3132123032), we get a palindrome (5435335345).

The spelling of 2303212313 in words is "two billion, three hundred three million, two hundred twelve thousand, three hundred thirteen".