3040312243 has 4 divisors (see below), whose sum is σ = 3044712808. Its totient is φ = 3035911680.

The previous prime is 3040312217. The next prime is 3040312277. The reversal of 3040312243 is 3422130403.

It is a happy number.

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 3040312243 - 2⁵ = 3040312211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3040312213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199246 + ... + 2200627.

It is an arithmetic number, because the mean of its divisors is an integer number (761178202).

Almost surely, 2^3040312243 is an apocalyptic number.

3040312243 is a deficient number, since it is larger than the sum of its proper divisors (4400565).

3040312243 is an equidigital number, since it uses as much as digits as its factorization.

3040312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400564.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3040312243 is about 55139.0264966657. The cubic root of 3040312243 is about 1448.6808840276.

Adding to 3040312243 its reverse (3422130403), we get a palindrome (6462442646).

The spelling of 3040312243 in words is "three billion, forty million, three hundred twelve thousand, two hundred forty-three".