2240131009 has 2 divisors, whose sum is σ = 2240131010. Its totient is φ = 2240131008.

The previous prime is 2240131007. The next prime is 2240131039. The reversal of 2240131009 is 9001310422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289025409 + 951105600 = 35903^2 + 30840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240131009 - 2¹ = 2240131007 is a prime.

Together with 2240131007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2240131007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120065504 + 1120065505.

It is an arithmetic number, because the mean of its divisors is an integer number (1120065505).

Almost surely, 2^2240131009 is an apocalyptic number.

It is an amenable number.

2240131009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240131009 is an equidigital number, since it uses as much as digits as its factorization.

2240131009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2240131009 is about 47330.0222797328. The cubic root of 2240131009 is about 1308.4520318595.

The spelling of 2240131009 in words is "two billion, two hundred forty million, one hundred thirty-one thousand, nine".