230102309 has 16 divisors (see below), whose sum is σ = 240948864. Its totient is φ = 219585600.

The previous prime is 230102303. The next prime is 230102317. The reversal of 230102309 is 903201032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230102309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230102303) 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, 332654 + ... + 333344.

It is an arithmetic number, because the mean of its divisors is an integer number (15059304).

Almost surely, 2^230102309 is an apocalyptic number.

It is an amenable number.

230102309 is a deficient number, since it is larger than the sum of its proper divisors (10846555).

230102309 is a wasteful number, since it uses less digits than its factorization.

230102309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 230102309 is about 15169.1235409301. The cubic root of 230102309 is about 612.7834003805.

The spelling of 230102309 in words is "two hundred thirty million, one hundred two thousand, three hundred nine".