231135367 has 2 divisors, whose sum is σ = 231135368. Its totient is φ = 231135366.

The previous prime is 231135353. The next prime is 231135419. The reversal of 231135367 is 763531132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231135367 - 2⁷ = 231135239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231133367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115567683 + 115567684.

It is an arithmetic number, because the mean of its divisors is an integer number (115567684).

Almost surely, 2^231135367 is an apocalyptic number.

231135367 is a deficient number, since it is larger than the sum of its proper divisors (1).

231135367 is an equidigital number, since it uses as much as digits as its factorization.

231135367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 231135367 is about 15203.1367487108. The cubic root of 231135367 is about 613.6990739267.

Adding to 231135367 its reverse (763531132), we get a palindrome (994666499).

The spelling of 231135367 in words is "two hundred thirty-one million, one hundred thirty-five thousand, three hundred sixty-seven".