231030299 has 2 divisors, whose sum is σ = 231030300. Its totient is φ = 231030298.

The previous prime is 231030287. The next prime is 231030313. The reversal of 231030299 is 992030132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231030299 - 2⁸ = 231030043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231030209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115515149 + 115515150.

It is an arithmetic number, because the mean of its divisors is an integer number (115515150).

Almost surely, 2^231030299 is an apocalyptic number.

231030299 is a deficient number, since it is larger than the sum of its proper divisors (1).

231030299 is an equidigital number, since it uses as much as digits as its factorization.

231030299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 231030299 is about 15199.6808848081. The cubic root of 231030299 is about 613.6060693987.

The spelling of 231030299 in words is "two hundred thirty-one million, thirty thousand, two hundred ninety-nine".