10031209987 has 2 divisors, whose sum is σ = 10031209988. Its totient is φ = 10031209986.

The previous prime is 10031209963. The next prime is 10031210003. The reversal of 10031209987 is 78990213001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10031209987 - 2¹⁹ = 10030685699 is a prime.

It is not a weakly prime, because it can be changed into another prime (10031209187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015604993 + 5015604994.

It is an arithmetic number, because the mean of its divisors is an integer number (5015604994).

Almost surely, 2^10031209987 is an apocalyptic number.

10031209987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031209987 is an equidigital number, since it uses as much as digits as its factorization.

10031209987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 10031209987 in words is "ten billion, thirty-one million, two hundred nine thousand, nine hundred eighty-seven".