312244113 has 16 divisors (see below), whose sum is σ = 444533760. Its totient is φ = 194479824.

The previous prime is 312244111. The next prime is 312244123. The reversal of 312244113 is 311442213.

It is not a de Polignac number, because 312244113 - 2¹ = 312244111 is a prime.

It is a super-2 number, since 2×312244113² = 194992772206313538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312244113.

It is not an unprimeable number, because it can be changed into a prime (312244111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49653 + ... + 55586.

It is an arithmetic number, because the mean of its divisors is an integer number (27783360).

Almost surely, 2^312244113 is an apocalyptic number.

It is an amenable number.

312244113 is a deficient number, since it is larger than the sum of its proper divisors (132289647).

312244113 is a wasteful number, since it uses less digits than its factorization.

312244113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105308.

The product of its digits is 576, while the sum is 21.

The square root of 312244113 is about 17670.4304701385. The cubic root of 312244113 is about 678.4191311218.

Adding to 312244113 its reverse (311442213), we get a palindrome (623686326).

The spelling of 312244113 in words is "three hundred twelve million, two hundred forty-four thousand, one hundred thirteen".