2331440330 has 16 divisors (see below), whose sum is σ = 4197965184. Its totient is φ = 932271120.

The previous prime is 2331440317. The next prime is 2331440387. The reversal of 2331440330 is 330441332.

It is a super-2 number, since 2×2331440330² = 10871228024701017800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2331440296 and 2331440305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622 + ... + 68441.

It is an arithmetic number, because the mean of its divisors is an integer number (262372824).

Almost surely, 2^2331440330 is an apocalyptic number.

2331440330 is a deficient number, since it is larger than the sum of its proper divisors (1866524854).

2331440330 is a wasteful number, since it uses less digits than its factorization.

2331440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76261.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2331440330 is about 48284.9907321105. The cubic root of 2331440330 is about 1325.9936213727.

Adding to 2331440330 its reverse (330441332), we get a palindrome (2661881662).

The spelling of 2331440330 in words is "two billion, three hundred thirty-one million, four hundred forty thousand, three hundred thirty".