1030300021987 has 2 divisors, whose sum is σ = 1030300021988. Its totient is φ = 1030300021986.

The previous prime is 1030300021973. The next prime is 1030300022027. The reversal of 1030300021987 is 7891200030301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030300021987 - 2³⁵ = 995940283619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030300021957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515150010993 + 515150010994.

It is an arithmetic number, because the mean of its divisors is an integer number (515150010994).

Almost surely, 2^{1030300021987} is an apocalyptic number.

1030300021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030300021987 is an equidigital number, since it uses as much as digits as its factorization.

1030300021987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1030300021987 in words is "one trillion, thirty billion, three hundred million, twenty-one thousand, nine hundred eighty-seven".