231352087 has 2 divisors, whose sum is σ = 231352088. Its totient is φ = 231352086.

The previous prime is 231352073. The next prime is 231352091. The reversal of 231352087 is 780253132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231352087 - 2¹¹ = 231350039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231352057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115676043 + 115676044.

It is an arithmetic number, because the mean of its divisors is an integer number (115676044).

Almost surely, 2^231352087 is an apocalyptic number.

231352087 is a deficient number, since it is larger than the sum of its proper divisors (1).

231352087 is an equidigital number, since it uses as much as digits as its factorization.

231352087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 231352087 is about 15210.2625552618. The cubic root of 231352087 is about 613.8908220467.

The spelling of 231352087 in words is "two hundred thirty-one million, three hundred fifty-two thousand, eighty-seven".