231344099 has 32 divisors (see below), whose sum is σ = 281304576. Its totient is φ = 186151680.

The previous prime is 231344093. The next prime is 231344101. The reversal of 231344099 is 990443132.

It is a Cunningham number, because it is equal to 15210²-1.

It is a cyclic number.

It is not a de Polignac number, because 231344099 - 2⁴ = 231344083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231344093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1019024 + ... + 1019250.

It is an arithmetic number, because the mean of its divisors is an integer number (8790768).

Almost surely, 2^231344099 is an apocalyptic number.

231344099 is a deficient number, since it is larger than the sum of its proper divisors (49960477).

231344099 is a wasteful number, since it uses less digits than its factorization.

231344099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 231344099 is about 15209.9999671269. Note that the first 4 decimals coincide. The cubic root of 231344099 is about 613.8837566017.

The spelling of 231344099 in words is "two hundred thirty-one million, three hundred forty-four thousand, ninety-nine".