312243113 has 8 divisors (see below), whose sum is σ = 384299328. Its totient is φ = 247049424.

The previous prime is 312243091. The next prime is 312243121. The reversal of 312243113 is 311342213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312243113 - 2⁶ = 312243049 is a prime.

It is a super-3 number, since 3×312243113³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (312243143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715531 + ... + 1715712.

It is an arithmetic number, because the mean of its divisors is an integer number (48037416).

Almost surely, 2^312243113 is an apocalyptic number.

It is an amenable number.

312243113 is a deficient number, since it is larger than the sum of its proper divisors (72056215).

312243113 is a wasteful number, since it uses less digits than its factorization.

312243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431263.

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

The square root of 312243113 is about 17670.4021742574. The cubic root of 312243113 is about 678.4184068809.

Adding to 312243113 its reverse (311342213), we get a palindrome (623585326).

The spelling of 312243113 in words is "three hundred twelve million, two hundred forty-three thousand, one hundred thirteen".