2340631331 has 2 divisors, whose sum is σ = 2340631332. Its totient is φ = 2340631330.

The previous prime is 2340631327. The next prime is 2340631333. The reversal of 2340631331 is 1331360432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340631331 - 2² = 2340631327 is a prime.

It is a super-2 number, since 2×2340631331² = 10957110055317663122, which contains 22 as substring.

Together with 2340631333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2340631331.

It is not a weakly prime, because it can be changed into another prime (2340631333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170315665 + 1170315666.

It is an arithmetic number, because the mean of its divisors is an integer number (1170315666).

Almost surely, 2^2340631331 is an apocalyptic number.

2340631331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340631331 is an equidigital number, since it uses as much as digits as its factorization.

2340631331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2340631331 is about 48380.0716307862. The cubic root of 2340631331 is about 1327.7337801244.

Adding to 2340631331 its reverse (1331360432), we get a palindrome (3671991763).

The spelling of 2340631331 in words is "two billion, three hundred forty million, six hundred thirty-one thousand, three hundred thirty-one".