231323303087 has 2 divisors, whose sum is σ = 231323303088. Its totient is φ = 231323303086.

The previous prime is 231323303077. The next prime is 231323303111. The reversal of 231323303087 is 780303323132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231323303087 - 2³² = 227028335791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323303027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661651543 + 115661651544.

It is an arithmetic number, because the mean of its divisors is an integer number (115661651544).

Almost surely, 2^231323303087 is an apocalyptic number.

231323303087 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323303087 is an equidigital number, since it uses as much as digits as its factorization.

231323303087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 231323303087 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred three thousand, eighty-seven".