2312213312 has 14 divisors (see below), whose sum is σ = 4588298418. Its totient is φ = 1156106624.

The previous prime is 2312213263. The next prime is 2312213381. The reversal of 2312213312 is 2133122132.

It can be written as a sum of positive squares in only one way, i.e., 2305536256 + 6677056 = 48016^2 + 2584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18064103 + ... + 18064230.

Almost surely, 2^2312213312 is an apocalyptic number.

It is an amenable number.

2312213312 is a deficient number, since it is larger than the sum of its proper divisors (2276085106).

2312213312 is an equidigital number, since it uses as much as digits as its factorization.

2312213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36128345 (or 36128335 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2312213312 is about 48085.4792219023. The cubic root of 2312213312 is about 1322.3384688177.

Adding to 2312213312 its reverse (2133122132), we get a palindrome (4445335444).

The spelling of 2312213312 in words is "two billion, three hundred twelve million, two hundred thirteen thousand, three hundred twelve".