2340531321 has 16 divisors (see below), whose sum is σ = 3478190400. Its totient is φ = 1391275008.

The previous prime is 2340531307. The next prime is 2340531331. The reversal of 2340531321 is 1231350432.

It is not a de Polignac number, because 2340531321 - 2¹⁸ = 2340269177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2340531291 and 2340531300.

It is not an unprimeable number, because it can be changed into a prime (2340531331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206736 + ... + 1208673.

It is an arithmetic number, because the mean of its divisors is an integer number (217386900).

Almost surely, 2^2340531321 is an apocalyptic number.

It is an amenable number.

2340531321 is a deficient number, since it is larger than the sum of its proper divisors (1137659079).

2340531321 is a wasteful number, since it uses less digits than its factorization.

2340531321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415448.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2340531321 is about 48379.0380330159. The cubic root of 2340531321 is about 1327.7148694791.

Adding to 2340531321 its reverse (1231350432), we get a palindrome (3571881753).

The spelling of 2340531321 in words is "two billion, three hundred forty million, five hundred thirty-one thousand, three hundred twenty-one".