231132299 has 2 divisors, whose sum is σ = 231132300. Its totient is φ = 231132298.

The previous prime is 231132287. The next prime is 231132337. The reversal of 231132299 is 992231132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231132299 - 2¹² = 231128203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231132259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115566149 + 115566150.

It is an arithmetic number, because the mean of its divisors is an integer number (115566150).

Almost surely, 2^231132299 is an apocalyptic number.

231132299 is a deficient number, since it is larger than the sum of its proper divisors (1).

231132299 is an equidigital number, since it uses as much as digits as its factorization.

231132299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 231132299 is about 15203.0358481456. The cubic root of 231132299 is about 613.6963585812.

The spelling of 231132299 in words is "two hundred thirty-one million, one hundred thirty-two thousand, two hundred ninety-nine".