231300031087 has 2 divisors, whose sum is σ = 231300031088. Its totient is φ = 231300031086.

The previous prime is 231300031019. The next prime is 231300031163. The reversal of 231300031087 is 780130003132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231300031087 - 2³¹ = 229152547439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231300031387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650015543 + 115650015544.

It is an arithmetic number, because the mean of its divisors is an integer number (115650015544).

Almost surely, 2^231300031087 is an apocalyptic number.

231300031087 is a deficient number, since it is larger than the sum of its proper divisors (1).

231300031087 is an equidigital number, since it uses as much as digits as its factorization.

231300031087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 231300031087 in words is "two hundred thirty-one billion, three hundred million, thirty-one thousand, eighty-seven".