10002031987 has 2 divisors, whose sum is σ = 10002031988. Its totient is φ = 10002031986.

The previous prime is 10002031979. The next prime is 10002032017. The reversal of 10002031987 is 78913020001.

10002031987 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 10002031987 - 2³ = 10002031979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10002031387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001015993 + 5001015994.

It is an arithmetic number, because the mean of its divisors is an integer number (5001015994).

Almost surely, 2^10002031987 is an apocalyptic number.

10002031987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002031987 is an equidigital number, since it uses as much as digits as its factorization.

10002031987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 10002031987 its reverse (78913020001), we get a palindrome (88915051988).

The spelling of 10002031987 in words is "ten billion, two million, thirty-one thousand, nine hundred eighty-seven".