2213512313 has 4 divisors (see below), whose sum is σ = 2284915968. Its totient is φ = 2142108660.

The previous prime is 2213512303. The next prime is 2213512321. The reversal of 2213512313 is 3132153122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2213512313 - 2¹⁶ = 2213446777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213512303) 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, 35701781 + ... + 35701842.

It is an arithmetic number, because the mean of its divisors is an integer number (571228992).

Almost surely, 2^2213512313 is an apocalyptic number.

It is an amenable number.

2213512313 is a deficient number, since it is larger than the sum of its proper divisors (71403655).

2213512313 is an equidigital number, since it uses as much as digits as its factorization.

2213512313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71403654.

The product of its digits is 1080, while the sum is 23.

The square root of 2213512313 is about 47047.9788407536. The cubic root of 2213512313 is about 1303.2487410002.

Adding to 2213512313 its reverse (3132153122), we get a palindrome (5345665435).

The spelling of 2213512313 in words is "two billion, two hundred thirteen million, five hundred twelve thousand, three hundred thirteen".