2215312303 has 4 divisors (see below), whose sum is σ = 2216897200. Its totient is φ = 2213727408.

The previous prime is 2215312301. The next prime is 2215312327. The reversal of 2215312303 is 3032135122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3032135122 = 2 ⋅1516067561.

It is a cyclic number.

It is not a de Polignac number, because 2215312303 - 2¹ = 2215312301 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 (2215312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790350 + ... + 793147.

It is an arithmetic number, because the mean of its divisors is an integer number (554224300).

Almost surely, 2^2215312303 is an apocalyptic number.

2215312303 is a deficient number, since it is larger than the sum of its proper divisors (1584897).

2215312303 is a wasteful number, since it uses less digits than its factorization.

2215312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584896.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2215312303 is about 47067.1042555201. The cubic root of 2215312303 is about 1303.6019050811.

Adding to 2215312303 its reverse (3032135122), we get a palindrome (5247447425).

The spelling of 2215312303 in words is "two billion, two hundred fifteen million, three hundred twelve thousand, three hundred three".