2312213311 has 4 divisors (see below), whose sum is σ = 2312452800. Its totient is φ = 2311973824.

The previous prime is 2312213263. The next prime is 2312213381. The reversal of 2312213311 is 1133122132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312213311 - 2²³ = 2303824703 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 (2312213381) 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, 104626 + ... + 124783.

It is an arithmetic number, because the mean of its divisors is an integer number (578113200).

Almost surely, 2^2312213311 is an apocalyptic number.

2312213311 is a deficient number, since it is larger than the sum of its proper divisors (239489).

2312213311 is a wasteful number, since it uses less digits than its factorization.

2312213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239488.

The product of its digits is 216, while the sum is 19.

The square root of 2312213311 is about 48085.4792115042. The cubic root of 2312213311 is about 1322.3384686271.

Adding to 2312213311 its reverse (1133122132), we get a palindrome (3445335443).

The spelling of 2312213311 in words is "two billion, three hundred twelve million, two hundred thirteen thousand, three hundred eleven".