231541067 has 2 divisors, whose sum is σ = 231541068. Its totient is φ = 231541066.

The previous prime is 231541043. The next prime is 231541081. The reversal of 231541067 is 760145132.

231541067 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 231541067 - 2²⁴ = 214763851 is a prime.

It is a super-2 number, since 2×231541067² = 107222531414996978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231541007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115770533 + 115770534.

It is an arithmetic number, because the mean of its divisors is an integer number (115770534).

Almost surely, 2^231541067 is an apocalyptic number.

231541067 is a deficient number, since it is larger than the sum of its proper divisors (1).

231541067 is an equidigital number, since it uses as much as digits as its factorization.

231541067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 231541067 is about 15216.4735402129. The cubic root of 231541067 is about 614.0579288361.

Adding to 231541067 its reverse (760145132), we get a palindrome (991686199).

The spelling of 231541067 in words is "two hundred thirty-one million, five hundred forty-one thousand, sixty-seven".