4340243331 has 40 divisors (see below), whose sum is σ = 6640286400. Its totient is φ = 2824398720.

The previous prime is 4340243311. The next prime is 4340243333. The reversal of 4340243331 is 1333420434.

It is not a de Polignac number, because 4340243331 - 2²² = 4336049027 is a prime.

It is a super-2 number, since 2×4340243331² = 37675424344579951122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4340243295 and 4340243304.

It is not an unprimeable number, because it can be changed into a prime (4340243333) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 565701 + ... + 573321.

It is an arithmetic number, because the mean of its divisors is an integer number (166007160).

Almost surely, 2^4340243331 is an apocalyptic number.

4340243331 is a deficient number, since it is larger than the sum of its proper divisors (2300043069).

4340243331 is an equidigital number, since it uses as much as digits as its factorization.

4340243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801 (or 7792 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 4340243331 is about 65880.5231536605. The cubic root of 4340243331 is about 1631.1905351292.

Adding to 4340243331 its reverse (1333420434), we get a palindrome (5673663765).

The spelling of 4340243331 in words is "four billion, three hundred forty million, two hundred forty-three thousand, three hundred thirty-one".