231134243 has 2 divisors, whose sum is σ = 231134244. Its totient is φ = 231134242.

The previous prime is 231134161. The next prime is 231134249. The reversal of 231134243 is 342431132.

231134243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231134243 - 2¹⁶ = 231068707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (231134249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115567121 + 115567122.

It is an arithmetic number, because the mean of its divisors is an integer number (115567122).

Almost surely, 2^231134243 is an apocalyptic number.

231134243 is a deficient number, since it is larger than the sum of its proper divisors (1).

231134243 is an equidigital number, since it uses as much as digits as its factorization.

231134243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 231134243 is about 15203.0997826101. The cubic root of 231134243 is about 613.6980791288.

Adding to 231134243 its reverse (342431132), we get a palindrome (573565375).

The spelling of 231134243 in words is "two hundred thirty-one million, one hundred thirty-four thousand, two hundred forty-three".