2031242209 has 8 divisors (see below), whose sum is σ = 2063654208. Its totient is φ = 1999071600.

The previous prime is 2031242201. The next prime is 2031242219. The reversal of 2031242209 is 9022421302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031242209 - 2³ = 2031242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031242201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43347 + ... + 77080.

It is an arithmetic number, because the mean of its divisors is an integer number (257956776).

Almost surely, 2^2031242209 is an apocalyptic number.

It is an amenable number.

2031242209 is a deficient number, since it is larger than the sum of its proper divisors (32411999).

2031242209 is a wasteful number, since it uses less digits than its factorization.

2031242209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120695.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2031242209 is about 45069.3045098324. The cubic root of 2031242209 is about 1266.4476355886.

The spelling of 2031242209 in words is "two billion, thirty-one million, two hundred forty-two thousand, two hundred nine".