241231309 has 16 divisors (see below), whose sum is σ = 288256320. Its totient is φ = 199279360.

The previous prime is 241231297. The next prime is 241231313. The reversal of 241231309 is 903132142.

It is a cyclic number.

It is not a de Polignac number, because 241231309 - 2¹⁹ = 240707021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241231709) 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, 16819 + ... + 27664.

It is an arithmetic number, because the mean of its divisors is an integer number (18016020).

Almost surely, 2^241231309 is an apocalyptic number.

241231309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

241231309 is a deficient number, since it is larger than the sum of its proper divisors (47025011).

241231309 is a wasteful number, since it uses less digits than its factorization.

241231309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44540.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 241231309 is about 15531.6228707756. The cubic root of 241231309 is about 622.5074564571.

The spelling of 241231309 in words is "two hundred forty-one million, two hundred thirty-one thousand, three hundred nine".