1030112231987 has 2 divisors, whose sum is σ = 1030112231988. Its totient is φ = 1030112231986.

The previous prime is 1030112231983. The next prime is 1030112232089. The reversal of 1030112231987 is 7891322110301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030112231987 - 2² = 1030112231983 is a prime.

It is a super-2 number, since 2×1030112231987² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030112231987.

It is not a weakly prime, because it can be changed into another prime (1030112231983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515056115993 + 515056115994.

It is an arithmetic number, because the mean of its divisors is an integer number (515056115994).

Almost surely, 2^{1030112231987} is an apocalyptic number.

1030112231987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030112231987 is an equidigital number, since it uses as much as digits as its factorization.

1030112231987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 1030112231987 in words is "one trillion, thirty billion, one hundred twelve million, two hundred thirty-one thousand, nine hundred eighty-seven".