231424087 has 2 divisors, whose sum is σ = 231424088. Its totient is φ = 231424086.

The previous prime is 231424073. The next prime is 231424103. The reversal of 231424087 is 780424132.

231424087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231424087 - 2¹¹ = 231422039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115712043 + 115712044.

It is an arithmetic number, because the mean of its divisors is an integer number (115712044).

Almost surely, 2^231424087 is an apocalyptic number.

231424087 is a deficient number, since it is larger than the sum of its proper divisors (1).

231424087 is an equidigital number, since it uses as much as digits as its factorization.

231424087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 231424087 is about 15212.6291941926. The cubic root of 231424087 is about 613.9544992401.

The spelling of 231424087 in words is "two hundred thirty-one million, four hundred twenty-four thousand, eighty-seven".