2240344531 has 2 divisors, whose sum is σ = 2240344532. Its totient is φ = 2240344530.

The previous prime is 2240344501. The next prime is 2240344553. The reversal of 2240344531 is 1354430422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2240344531 - 2²⁵ = 2206790099 is a prime.

It is a super-2 number, since 2×2240344531² = 10038287235163219922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2240344531.

It is not a weakly prime, because it can be changed into another prime (2240344501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120172265 + 1120172266.

It is an arithmetic number, because the mean of its divisors is an integer number (1120172266).

Almost surely, 2^2240344531 is an apocalyptic number.

2240344531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240344531 is an equidigital number, since it uses as much as digits as its factorization.

2240344531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2240344531 is about 47332.2778978574. The cubic root of 2240344531 is about 1308.4936030023.

Adding to 2240344531 its reverse (1354430422), we get a palindrome (3594774953).

The spelling of 2240344531 in words is "two billion, two hundred forty million, three hundred forty-four thousand, five hundred thirty-one".