3040342321 has 4 divisors (see below), whose sum is σ = 3048001012. Its totient is φ = 3032683632.

The previous prime is 3040342313. The next prime is 3040342337. The reversal of 3040342321 is 1232430403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1232430403 = 1583 ⋅778541.

It can be written as a sum of positive squares in 2 ways, for example, as 1563016225 + 1477326096 = 39535^2 + 38436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3040342321 - 2³ = 3040342313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3040342292 and 3040342301.

It is not an unprimeable number, because it can be changed into a prime (3040342021) 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, 3828750 + ... + 3829543.

It is an arithmetic number, because the mean of its divisors is an integer number (762000253).

Almost surely, 2^3040342321 is an apocalyptic number.

It is an amenable number.

3040342321 is a deficient number, since it is larger than the sum of its proper divisors (7658691).

3040342321 is an equidigital number, since it uses as much as digits as its factorization.

3040342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658690.

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

The square root of 3040342321 is about 55139.2992429175. The cubic root of 3040342321 is about 1448.6856613088.

Adding to 3040342321 its reverse (1232430403), we get a palindrome (4272772724).

The spelling of 3040342321 in words is "three billion, forty million, three hundred forty-two thousand, three hundred twenty-one".