4243402331 has 8 divisors (see below), whose sum is σ = 4850173440. Its totient is φ = 3636773928.

The previous prime is 4243402271. The next prime is 4243402337. The reversal of 4243402331 is 1332043424.

4243402331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4243402331 - 2¹⁴ = 4243385947 is a prime.

It is a super-2 number, since 2×4243402331² = 36012926685472467122, 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 4243402331.

It is not an unprimeable number, because it can be changed into a prime (4243402337) 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, 38270 + ... + 99756.

It is an arithmetic number, because the mean of its divisors is an integer number (606271680).

Almost surely, 2^4243402331 is an apocalyptic number.

4243402331 is a deficient number, since it is larger than the sum of its proper divisors (606771109).

4243402331 is an equidigital number, since it uses as much as digits as its factorization.

4243402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71353.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4243402331 is about 65141.4025869876. The cubic root of 4243402331 is about 1618.9672749084.

Adding to 4243402331 its reverse (1332043424), we get a palindrome (5575445755).

The spelling of 4243402331 in words is "four billion, two hundred forty-three million, four hundred two thousand, three hundred thirty-one".